Home / 15,265.12-21,066.33-8,550.74

Finding the Fourth Proportional to 15,265.12, 21,066.33 and 8,550.74

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Solution

The fourth proportional to 15,265.12, 21,066.33 and 8,550.74 is: 11,800.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,265.12 : 21,066.33 = 8,550.74 : x
  2. Step 2: Convert to fraction form
    15,265.12/21,066.33 = 8,550.74/x
  3. Step 3: Cross multiply
    15,265.12x = 21,066.33 × 8,550.74
  4. Step 4: Simplify right side
    15,265.12x = 180,132,710.58
  5. Step 5: Solve for x
    x = 180,132,710.58/15,265.12
  6. Step 6: Final answer
    x = 11,800.28

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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.