Home / 10,437.60-14,402.88-6,245.76

Finding the Fourth Proportional to 10,437.60, 14,402.88 and 6,245.76

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Solution

The fourth proportional to 10,437.60, 14,402.88 and 6,245.76 is: 8,618.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.60 : 14,402.88 = 6,245.76 : x
  2. Step 2: Convert to fraction form
    10,437.60/14,402.88 = 6,245.76/x
  3. Step 3: Cross multiply
    10,437.60x = 14,402.88 × 6,245.76
  4. Step 4: Simplify right side
    10,437.60x = 89,956,931.79
  5. Step 5: Solve for x
    x = 89,956,931.79/10,437.60
  6. Step 6: Final answer
    x = 8,618.55

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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.