Home / 26,105.04-39,172.14-12,254.04

Finding the Fourth Proportional to 26,105.04, 39,172.14 and 12,254.04

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Solution

The fourth proportional to 26,105.04, 39,172.14 and 12,254.04 is: 18,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,105.04 : 39,172.14 = 12,254.04 : x
  2. Step 2: Convert to fraction form
    26,105.04/39,172.14 = 12,254.04/x
  3. Step 3: Cross multiply
    26,105.04x = 39,172.14 × 12,254.04
  4. Step 4: Simplify right side
    26,105.04x = 480,016,970.45
  5. Step 5: Solve for x
    x = 480,016,970.45/26,105.04
  6. Step 6: Final answer
    x = 18,387.90

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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.