Home / 15,264.87-21,066.31-8,550.10

Finding the Fourth Proportional to 15,264.87, 21,066.31 and 8,550.10

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Solution

The fourth proportional to 15,264.87, 21,066.31 and 8,550.10 is: 11,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,264.87 : 21,066.31 = 8,550.10 : x
  2. Step 2: Convert to fraction form
    15,264.87/21,066.31 = 8,550.10/x
  3. Step 3: Cross multiply
    15,264.87x = 21,066.31 × 8,550.10
  4. Step 4: Simplify right side
    15,264.87x = 180,119,057.13
  5. Step 5: Solve for x
    x = 180,119,057.13/15,264.87
  6. Step 6: Final answer
    x = 11,799.58

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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.