Home / 10,257.00-15,378.92-4,332.28

Finding the Fourth Proportional to 10,257.00, 15,378.92 and 4,332.28

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Solution

The fourth proportional to 10,257.00, 15,378.92 and 4,332.28 is: 6,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.00 : 15,378.92 = 4,332.28 : x
  2. Step 2: Convert to fraction form
    10,257.00/15,378.92 = 4,332.28/x
  3. Step 3: Cross multiply
    10,257.00x = 15,378.92 × 4,332.28
  4. Step 4: Simplify right side
    10,257.00x = 66,625,710.64
  5. Step 5: Solve for x
    x = 66,625,710.64/10,257.00
  6. Step 6: Final answer
    x = 6,495.64

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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.