Home / 15,932.22-21,985.26-8,858.04

Finding the Fourth Proportional to 15,932.22, 21,985.26 and 8,858.04

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Solution

The fourth proportional to 15,932.22, 21,985.26 and 8,858.04 is: 12,223.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,932.22 : 21,985.26 = 8,858.04 : x
  2. Step 2: Convert to fraction form
    15,932.22/21,985.26 = 8,858.04/x
  3. Step 3: Cross multiply
    15,932.22x = 21,985.26 × 8,858.04
  4. Step 4: Simplify right side
    15,932.22x = 194,746,312.49
  5. Step 5: Solve for x
    x = 194,746,312.49/15,932.22
  6. Step 6: Final answer
    x = 12,223.43

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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.