Home / 10,472.66-15,720.18-4,236.75

Finding the Fourth Proportional to 10,472.66, 15,720.18 and 4,236.75

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Solution

The fourth proportional to 10,472.66, 15,720.18 and 4,236.75 is: 6,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,472.66 : 15,720.18 = 4,236.75 : x
  2. Step 2: Convert to fraction form
    10,472.66/15,720.18 = 4,236.75/x
  3. Step 3: Cross multiply
    10,472.66x = 15,720.18 × 4,236.75
  4. Step 4: Simplify right side
    10,472.66x = 66,602,405.72
  5. Step 5: Solve for x
    x = 66,602,405.72/10,472.66
  6. Step 6: Final answer
    x = 6,359.65

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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.