Home / 14,378.24-21,552-10,261.76

Finding the Fourth Proportional to 14,378.24, 21,552 and 10,261.76

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Solution

The fourth proportional to 14,378.24, 21,552 and 10,261.76 is: 15,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.24 : 21,552 = 10,261.76 : x
  2. Step 2: Convert to fraction form
    14,378.24/21,552 = 10,261.76/x
  3. Step 3: Cross multiply
    14,378.24x = 21,552 × 10,261.76
  4. Step 4: Simplify right side
    14,378.24x = 221,161,451.52
  5. Step 5: Solve for x
    x = 221,161,451.52/14,378.24
  6. Step 6: Final answer
    x = 15,381.68

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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.