Home / 10,538.72-14,543.52-6,349.76

Finding the Fourth Proportional to 10,538.72, 14,543.52 and 6,349.76

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Solution

The fourth proportional to 10,538.72, 14,543.52 and 6,349.76 is: 8,762.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.72 : 14,543.52 = 6,349.76 : x
  2. Step 2: Convert to fraction form
    10,538.72/14,543.52 = 6,349.76/x
  3. Step 3: Cross multiply
    10,538.72x = 14,543.52 × 6,349.76
  4. Step 4: Simplify right side
    10,538.72x = 92,347,861.56
  5. Step 5: Solve for x
    x = 92,347,861.56/10,538.72
  6. Step 6: Final answer
    x = 8,762.72

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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.