Home / 10,938.18-16,407.30-4,366.02

Finding the Fourth Proportional to 10,938.18, 16,407.30 and 4,366.02

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Solution

The fourth proportional to 10,938.18, 16,407.30 and 4,366.02 is: 6,549.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.18 : 16,407.30 = 4,366.02 : x
  2. Step 2: Convert to fraction form
    10,938.18/16,407.30 = 4,366.02/x
  3. Step 3: Cross multiply
    10,938.18x = 16,407.30 × 4,366.02
  4. Step 4: Simplify right side
    10,938.18x = 71,634,599.95
  5. Step 5: Solve for x
    x = 71,634,599.95/10,938.18
  6. Step 6: Final answer
    x = 6,549.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.