Home / 15,623.77-21,560.80-8,550.19

Finding the Fourth Proportional to 15,623.77, 21,560.80 and 8,550.19

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Solution

The fourth proportional to 15,623.77, 21,560.80 and 8,550.19 is: 11,799.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.77 : 21,560.80 = 8,550.19 : x
  2. Step 2: Convert to fraction form
    15,623.77/21,560.80 = 8,550.19/x
  3. Step 3: Cross multiply
    15,623.77x = 21,560.80 × 8,550.19
  4. Step 4: Simplify right side
    15,623.77x = 184,348,861.27
  5. Step 5: Solve for x
    x = 184,348,861.27/15,623.77
  6. Step 6: Final answer
    x = 11,799.26

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Half scale
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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.