Home / 17,609.85-26,417.34-5,128.29

Finding the Fourth Proportional to 17,609.85, 26,417.34 and 5,128.29

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Solution

The fourth proportional to 17,609.85, 26,417.34 and 5,128.29 is: 7,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,609.85 : 26,417.34 = 5,128.29 : x
  2. Step 2: Convert to fraction form
    17,609.85/26,417.34 = 5,128.29/x
  3. Step 3: Cross multiply
    17,609.85x = 26,417.34 × 5,128.29
  4. Step 4: Simplify right side
    17,609.85x = 135,475,780.55
  5. Step 5: Solve for x
    x = 135,475,780.55/17,609.85
  6. Step 6: Final answer
    x = 7,693.18

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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.