Home / 17,397.55-26,101.04-12,406.23

Finding the Fourth Proportional to 17,397.55, 26,101.04 and 12,406.23

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Solution

The fourth proportional to 17,397.55, 26,101.04 and 12,406.23 is: 18,612.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,397.55 : 26,101.04 = 12,406.23 : x
  2. Step 2: Convert to fraction form
    17,397.55/26,101.04 = 12,406.23/x
  3. Step 3: Cross multiply
    17,397.55x = 26,101.04 × 12,406.23
  4. Step 4: Simplify right side
    17,397.55x = 323,815,505.48
  5. Step 5: Solve for x
    x = 323,815,505.48/17,397.55
  6. Step 6: Final answer
    x = 18,612.71

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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.