Home / 9,429.28-14,135.28-3,585.76

Finding the Fourth Proportional to 9,429.28, 14,135.28 and 3,585.76

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Solution

The fourth proportional to 9,429.28, 14,135.28 and 3,585.76 is: 5,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.28 : 14,135.28 = 3,585.76 : x
  2. Step 2: Convert to fraction form
    9,429.28/14,135.28 = 3,585.76/x
  3. Step 3: Cross multiply
    9,429.28x = 14,135.28 × 3,585.76
  4. Step 4: Simplify right side
    9,429.28x = 50,685,721.61
  5. Step 5: Solve for x
    x = 50,685,721.61/9,429.28
  6. Step 6: Final answer
    x = 5,375.35

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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.