Home / 14,767.34-20,381.10-9,730.76

Finding the Fourth Proportional to 14,767.34, 20,381.10 and 9,730.76

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Solution

The fourth proportional to 14,767.34, 20,381.10 and 9,730.76 is: 13,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.34 : 20,381.10 = 9,730.76 : x
  2. Step 2: Convert to fraction form
    14,767.34/20,381.10 = 9,730.76/x
  3. Step 3: Cross multiply
    14,767.34x = 20,381.10 × 9,730.76
  4. Step 4: Simplify right side
    14,767.34x = 198,323,592.64
  5. Step 5: Solve for x
    x = 198,323,592.64/14,767.34
  6. Step 6: Final answer
    x = 13,429.88

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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.