Home / 10,318.28-15,433.50-6,148.76

Finding the Fourth Proportional to 10,318.28, 15,433.50 and 6,148.76

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Solution

The fourth proportional to 10,318.28, 15,433.50 and 6,148.76 is: 9,196.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.28 : 15,433.50 = 6,148.76 : x
  2. Step 2: Convert to fraction form
    10,318.28/15,433.50 = 6,148.76/x
  3. Step 3: Cross multiply
    10,318.28x = 15,433.50 × 6,148.76
  4. Step 4: Simplify right side
    10,318.28x = 94,896,887.46
  5. Step 5: Solve for x
    x = 94,896,887.46/10,318.28
  6. Step 6: Final answer
    x = 9,196.97

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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.