Home / 10,437.52-14,403.78-6,246.76

Finding the Fourth Proportional to 10,437.52, 14,403.78 and 6,246.76

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Solution

The fourth proportional to 10,437.52, 14,403.78 and 6,246.76 is: 8,620.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.52 : 14,403.78 = 6,246.76 : x
  2. Step 2: Convert to fraction form
    10,437.52/14,403.78 = 6,246.76/x
  3. Step 3: Cross multiply
    10,437.52x = 14,403.78 × 6,246.76
  4. Step 4: Simplify right side
    10,437.52x = 89,976,956.75
  5. Step 5: Solve for x
    x = 89,976,956.75/10,437.52
  6. Step 6: Final answer
    x = 8,620.53

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Half scale
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Double scale
Find fourth proportional to 10,438.52, 14,405.16 and 6,247.76
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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.