Home / 11,781.99-16,259.54-6,477.03

Finding the Fourth Proportional to 11,781.99, 16,259.54 and 6,477.03

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Solution

The fourth proportional to 11,781.99, 16,259.54 and 6,477.03 is: 8,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,781.99 : 16,259.54 = 6,477.03 : x
  2. Step 2: Convert to fraction form
    11,781.99/16,259.54 = 6,477.03/x
  3. Step 3: Cross multiply
    11,781.99x = 16,259.54 × 6,477.03
  4. Step 4: Simplify right side
    11,781.99x = 105,313,495.98
  5. Step 5: Solve for x
    x = 105,313,495.98/11,781.99
  6. Step 6: Final answer
    x = 8,938.52

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Half scale
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Double scale
Find fourth proportional to 11,782.99, 16,260.92 and 6,478.03
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.