Home / 10,948.70-15,108.30-6,472.64

Finding the Fourth Proportional to 10,948.70, 15,108.30 and 6,472.64

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Solution

The fourth proportional to 10,948.70, 15,108.30 and 6,472.64 is: 8,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.70 : 15,108.30 = 6,472.64 : x
  2. Step 2: Convert to fraction form
    10,948.70/15,108.30 = 6,472.64/x
  3. Step 3: Cross multiply
    10,948.70x = 15,108.30 × 6,472.64
  4. Step 4: Simplify right side
    10,948.70x = 97,790,586.91
  5. Step 5: Solve for x
    x = 97,790,586.91/10,948.70
  6. Step 6: Final answer
    x = 8,931.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.