Home / 17,742.26-26,613.40-5,430.26

Finding the Fourth Proportional to 17,742.26, 26,613.40 and 5,430.26

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Solution

The fourth proportional to 17,742.26, 26,613.40 and 5,430.26 is: 8,145.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,742.26 : 26,613.40 = 5,430.26 : x
  2. Step 2: Convert to fraction form
    17,742.26/26,613.40 = 5,430.26/x
  3. Step 3: Cross multiply
    17,742.26x = 26,613.40 × 5,430.26
  4. Step 4: Simplify right side
    17,742.26x = 144,517,681.48
  5. Step 5: Solve for x
    x = 144,517,681.48/17,742.26
  6. Step 6: Final answer
    x = 8,145.39

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Similar ratio
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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.