Home / 11,518.39-15,896.91-6,483.59

Finding the Fourth Proportional to 11,518.39, 15,896.91 and 6,483.59

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Solution

The fourth proportional to 11,518.39, 15,896.91 and 6,483.59 is: 8,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,518.39 : 15,896.91 = 6,483.59 : x
  2. Step 2: Convert to fraction form
    11,518.39/15,896.91 = 6,483.59/x
  3. Step 3: Cross multiply
    11,518.39x = 15,896.91 × 6,483.59
  4. Step 4: Simplify right side
    11,518.39x = 103,069,014.29
  5. Step 5: Solve for x
    x = 103,069,014.29/11,518.39
  6. Step 6: Final answer
    x = 8,948.21

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Double scale
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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.