Home / 13,962.04-19,247.68-9,981.72

Finding the Fourth Proportional to 13,962.04, 19,247.68 and 9,981.72

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Solution

The fourth proportional to 13,962.04, 19,247.68 and 9,981.72 is: 13,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.04 : 19,247.68 = 9,981.72 : x
  2. Step 2: Convert to fraction form
    13,962.04/19,247.68 = 9,981.72/x
  3. Step 3: Cross multiply
    13,962.04x = 19,247.68 × 9,981.72
  4. Step 4: Simplify right side
    13,962.04x = 192,124,952.41
  5. Step 5: Solve for x
    x = 192,124,952.41/13,962.04
  6. Step 6: Final answer
    x = 13,760.52

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Similar ratio
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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.