Home / 21,332.17-29,436.37-11,901.34

Finding the Fourth Proportional to 21,332.17, 29,436.37 and 11,901.34

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Solution

The fourth proportional to 21,332.17, 29,436.37 and 11,901.34 is: 16,422.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.17 : 29,436.37 = 11,901.34 : x
  2. Step 2: Convert to fraction form
    21,332.17/29,436.37 = 11,901.34/x
  3. Step 3: Cross multiply
    21,332.17x = 29,436.37 × 11,901.34
  4. Step 4: Simplify right side
    21,332.17x = 350,332,247.74
  5. Step 5: Solve for x
    x = 350,332,247.74/21,332.17
  6. Step 6: Final answer
    x = 16,422.72

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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.