Home / 14,213.60-19,614.16-7,925.92

Finding the Fourth Proportional to 14,213.60, 19,614.16 and 7,925.92

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Solution

The fourth proportional to 14,213.60, 19,614.16 and 7,925.92 is: 10,937.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.60 : 19,614.16 = 7,925.92 : x
  2. Step 2: Convert to fraction form
    14,213.60/19,614.16 = 7,925.92/x
  3. Step 3: Cross multiply
    14,213.60x = 19,614.16 × 7,925.92
  4. Step 4: Simplify right side
    14,213.60x = 155,460,263.03
  5. Step 5: Solve for x
    x = 155,460,263.03/14,213.60
  6. Step 6: Final answer
    x = 10,937.43

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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.