Home / 10,491.28-14,475.36-6,661.52

Finding the Fourth Proportional to 10,491.28, 14,475.36 and 6,661.52

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Solution

The fourth proportional to 10,491.28, 14,475.36 and 6,661.52 is: 9,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,491.28 : 14,475.36 = 6,661.52 : x
  2. Step 2: Convert to fraction form
    10,491.28/14,475.36 = 6,661.52/x
  3. Step 3: Cross multiply
    10,491.28x = 14,475.36 × 6,661.52
  4. Step 4: Simplify right side
    10,491.28x = 96,427,900.15
  5. Step 5: Solve for x
    x = 96,427,900.15/10,491.28
  6. Step 6: Final answer
    x = 9,191.24

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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.