Home / 10,938.76-15,096.60-6,463.96

Finding the Fourth Proportional to 10,938.76, 15,096.60 and 6,463.96

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Solution

The fourth proportional to 10,938.76, 15,096.60 and 6,463.96 is: 8,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.76 : 15,096.60 = 6,463.96 : x
  2. Step 2: Convert to fraction form
    10,938.76/15,096.60 = 6,463.96/x
  3. Step 3: Cross multiply
    10,938.76x = 15,096.60 × 6,463.96
  4. Step 4: Simplify right side
    10,938.76x = 97,583,818.54
  5. Step 5: Solve for x
    x = 97,583,818.54/10,938.76
  6. Step 6: Final answer
    x = 8,920.92

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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.