Home / 10,371.38-14,312.50-5,655.69

Finding the Fourth Proportional to 10,371.38, 14,312.50 and 5,655.69

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Solution

The fourth proportional to 10,371.38, 14,312.50 and 5,655.69 is: 7,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.38 : 14,312.50 = 5,655.69 : x
  2. Step 2: Convert to fraction form
    10,371.38/14,312.50 = 5,655.69/x
  3. Step 3: Cross multiply
    10,371.38x = 14,312.50 × 5,655.69
  4. Step 4: Simplify right side
    10,371.38x = 80,947,048.99
  5. Step 5: Solve for x
    x = 80,947,048.99/10,371.38
  6. Step 6: Final answer
    x = 7,804.85

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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.