Home / 14,721.94-20,314.05-9,057.61

Finding the Fourth Proportional to 14,721.94, 20,314.05 and 9,057.61

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Solution

The fourth proportional to 14,721.94, 20,314.05 and 9,057.61 is: 12,498.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,721.94 : 20,314.05 = 9,057.61 : x
  2. Step 2: Convert to fraction form
    14,721.94/20,314.05 = 9,057.61/x
  3. Step 3: Cross multiply
    14,721.94x = 20,314.05 × 9,057.61
  4. Step 4: Simplify right side
    14,721.94x = 183,996,742.42
  5. Step 5: Solve for x
    x = 183,996,742.42/14,721.94
  6. Step 6: Final answer
    x = 12,498.13

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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.