Home / 16,287.48-22,473.99-9,212.40

Finding the Fourth Proportional to 16,287.48, 22,473.99 and 9,212.40

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Solution

The fourth proportional to 16,287.48, 22,473.99 and 9,212.40 is: 12,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,287.48 : 22,473.99 = 9,212.40 : x
  2. Step 2: Convert to fraction form
    16,287.48/22,473.99 = 9,212.40/x
  3. Step 3: Cross multiply
    16,287.48x = 22,473.99 × 9,212.40
  4. Step 4: Simplify right side
    16,287.48x = 207,039,385.48
  5. Step 5: Solve for x
    x = 207,039,385.48/16,287.48
  6. Step 6: Final answer
    x = 12,711.57

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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.