Home / 21,862.56-32,818.12-11,329.76

Finding the Fourth Proportional to 21,862.56, 32,818.12 and 11,329.76

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Solution

The fourth proportional to 21,862.56, 32,818.12 and 11,329.76 is: 17,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,862.56 : 32,818.12 = 11,329.76 : x
  2. Step 2: Convert to fraction form
    21,862.56/32,818.12 = 11,329.76/x
  3. Step 3: Cross multiply
    21,862.56x = 32,818.12 × 11,329.76
  4. Step 4: Simplify right side
    21,862.56x = 371,821,423.25
  5. Step 5: Solve for x
    x = 371,821,423.25/21,862.56
  6. Step 6: Final answer
    x = 17,007.22

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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.