Home / 9,943.68-14,877-7,176.72

Finding the Fourth Proportional to 9,943.68, 14,877 and 7,176.72

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Solution

The fourth proportional to 9,943.68, 14,877 and 7,176.72 is: 10,737.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,943.68 : 14,877 = 7,176.72 : x
  2. Step 2: Convert to fraction form
    9,943.68/14,877 = 7,176.72/x
  3. Step 3: Cross multiply
    9,943.68x = 14,877 × 7,176.72
  4. Step 4: Simplify right side
    9,943.68x = 106,768,063.44
  5. Step 5: Solve for x
    x = 106,768,063.44/9,943.68
  6. Step 6: Final answer
    x = 10,737.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.