Home / 10,089.92-15,134.90-4,542.23

Finding the Fourth Proportional to 10,089.92, 15,134.90 and 4,542.23

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Solution

The fourth proportional to 10,089.92, 15,134.90 and 4,542.23 is: 6,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.92 : 15,134.90 = 4,542.23 : x
  2. Step 2: Convert to fraction form
    10,089.92/15,134.90 = 4,542.23/x
  3. Step 3: Cross multiply
    10,089.92x = 15,134.90 × 4,542.23
  4. Step 4: Simplify right side
    10,089.92x = 68,746,211.95
  5. Step 5: Solve for x
    x = 68,746,211.95/10,089.92
  6. Step 6: Final answer
    x = 6,813.35

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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.