Home / 10,434.31-15,655.11-4,591.38

Finding the Fourth Proportional to 10,434.31, 15,655.11 and 4,591.38

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Solution

The fourth proportional to 10,434.31, 15,655.11 and 4,591.38 is: 6,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.31 : 15,655.11 = 4,591.38 : x
  2. Step 2: Convert to fraction form
    10,434.31/15,655.11 = 4,591.38/x
  3. Step 3: Cross multiply
    10,434.31x = 15,655.11 × 4,591.38
  4. Step 4: Simplify right side
    10,434.31x = 71,878,558.95
  5. Step 5: Solve for x
    x = 71,878,558.95/10,434.31
  6. Step 6: Final answer
    x = 6,888.67

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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.