Home / 9,356.80-14,031.96-4,428.76

Finding the Fourth Proportional to 9,356.80, 14,031.96 and 4,428.76

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Solution

The fourth proportional to 9,356.80, 14,031.96 and 4,428.76 is: 6,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,356.80 : 14,031.96 = 4,428.76 : x
  2. Step 2: Convert to fraction form
    9,356.80/14,031.96 = 4,428.76/x
  3. Step 3: Cross multiply
    9,356.80x = 14,031.96 × 4,428.76
  4. Step 4: Simplify right side
    9,356.80x = 62,144,183.17
  5. Step 5: Solve for x
    x = 62,144,183.17/9,356.80
  6. Step 6: Final answer
    x = 6,641.61

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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.