Home / 10,158.86-15,230.72-6,862.70

Finding the Fourth Proportional to 10,158.86, 15,230.72 and 6,862.70

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Solution

The fourth proportional to 10,158.86, 15,230.72 and 6,862.70 is: 10,288.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.86 : 15,230.72 = 6,862.70 : x
  2. Step 2: Convert to fraction form
    10,158.86/15,230.72 = 6,862.70/x
  3. Step 3: Cross multiply
    10,158.86x = 15,230.72 × 6,862.70
  4. Step 4: Simplify right side
    10,158.86x = 104,523,862.14
  5. Step 5: Solve for x
    x = 104,523,862.14/10,158.86
  6. Step 6: Final answer
    x = 10,288.94

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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.