Home / 15,472.24-21,344.76-10,434.82

Finding the Fourth Proportional to 15,472.24, 21,344.76 and 10,434.82

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Solution

The fourth proportional to 15,472.24, 21,344.76 and 10,434.82 is: 14,395.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472.24 : 21,344.76 = 10,434.82 : x
  2. Step 2: Convert to fraction form
    15,472.24/21,344.76 = 10,434.82/x
  3. Step 3: Cross multiply
    15,472.24x = 21,344.76 × 10,434.82
  4. Step 4: Simplify right side
    15,472.24x = 222,728,728.54
  5. Step 5: Solve for x
    x = 222,728,728.54/15,472.24
  6. Step 6: Final answer
    x = 14,395.38

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1.5x scale

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.