Home / 17,648.34-26,451.09-12,354.18

Finding the Fourth Proportional to 17,648.34, 26,451.09 and 12,354.18

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Solution

The fourth proportional to 17,648.34, 26,451.09 and 12,354.18 is: 18,516.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.34 : 26,451.09 = 12,354.18 : x
  2. Step 2: Convert to fraction form
    17,648.34/26,451.09 = 12,354.18/x
  3. Step 3: Cross multiply
    17,648.34x = 26,451.09 × 12,354.18
  4. Step 4: Simplify right side
    17,648.34x = 326,781,527.06
  5. Step 5: Solve for x
    x = 326,781,527.06/17,648.34
  6. Step 6: Final answer
    x = 18,516.28

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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.