Home / 10,221.24-15,332.94-4,376.28

Finding the Fourth Proportional to 10,221.24, 15,332.94 and 4,376.28

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Solution

The fourth proportional to 10,221.24, 15,332.94 and 4,376.28 is: 6,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,221.24 : 15,332.94 = 4,376.28 : x
  2. Step 2: Convert to fraction form
    10,221.24/15,332.94 = 4,376.28/x
  3. Step 3: Cross multiply
    10,221.24x = 15,332.94 × 4,376.28
  4. Step 4: Simplify right side
    10,221.24x = 67,101,238.66
  5. Step 5: Solve for x
    x = 67,101,238.66/10,221.24
  6. Step 6: Final answer
    x = 6,564.88

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1.5x scale

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.