Home / 15,536.25-21,440.17-8,822.02

Finding the Fourth Proportional to 15,536.25, 21,440.17 and 8,822.02

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Solution

The fourth proportional to 15,536.25, 21,440.17 and 8,822.02 is: 12,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.25 : 21,440.17 = 8,822.02 : x
  2. Step 2: Convert to fraction form
    15,536.25/21,440.17 = 8,822.02/x
  3. Step 3: Cross multiply
    15,536.25x = 21,440.17 × 8,822.02
  4. Step 4: Simplify right side
    15,536.25x = 189,145,652.26
  5. Step 5: Solve for x
    x = 189,145,652.26/15,536.25
  6. Step 6: Final answer
    x = 12,174.47

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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.