Home / 21,610.16-29,822.60-12,179.04

Finding the Fourth Proportional to 21,610.16, 29,822.60 and 12,179.04

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Solution

The fourth proportional to 21,610.16, 29,822.60 and 12,179.04 is: 16,807.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,610.16 : 29,822.60 = 12,179.04 : x
  2. Step 2: Convert to fraction form
    21,610.16/29,822.60 = 12,179.04/x
  3. Step 3: Cross multiply
    21,610.16x = 29,822.60 × 12,179.04
  4. Step 4: Simplify right side
    21,610.16x = 363,210,638.30
  5. Step 5: Solve for x
    x = 363,210,638.30/21,610.16
  6. Step 6: Final answer
    x = 16,807.40

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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.