Home / 22,685.04-31,307.16-12,614.40

Finding the Fourth Proportional to 22,685.04, 31,307.16 and 12,614.40

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Solution

The fourth proportional to 22,685.04, 31,307.16 and 12,614.40 is: 17,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.04 : 31,307.16 = 12,614.40 : x
  2. Step 2: Convert to fraction form
    22,685.04/31,307.16 = 12,614.40/x
  3. Step 3: Cross multiply
    22,685.04x = 31,307.16 × 12,614.40
  4. Step 4: Simplify right side
    22,685.04x = 394,921,039.10
  5. Step 5: Solve for x
    x = 394,921,039.10/22,685.04
  6. Step 6: Final answer
    x = 17,408.88

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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.