Home / 10,371.46-14,312.40-5,655.79

Finding the Fourth Proportional to 10,371.46, 14,312.40 and 5,655.79

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Solution

The fourth proportional to 10,371.46, 14,312.40 and 5,655.79 is: 7,804.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.46 : 14,312.40 = 5,655.79 : x
  2. Step 2: Convert to fraction form
    10,371.46/14,312.40 = 5,655.79/x
  3. Step 3: Cross multiply
    10,371.46x = 14,312.40 × 5,655.79
  4. Step 4: Simplify right side
    10,371.46x = 80,947,928.80
  5. Step 5: Solve for x
    x = 80,947,928.80/10,371.46
  6. Step 6: Final answer
    x = 7,804.87

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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.