Home / 17,613.16-26,430.47-7,081.20

Finding the Fourth Proportional to 17,613.16, 26,430.47 and 7,081.20

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Solution

The fourth proportional to 17,613.16, 26,430.47 and 7,081.20 is: 10,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613.16 : 26,430.47 = 7,081.20 : x
  2. Step 2: Convert to fraction form
    17,613.16/26,430.47 = 7,081.20/x
  3. Step 3: Cross multiply
    17,613.16x = 26,430.47 × 7,081.20
  4. Step 4: Simplify right side
    17,613.16x = 187,159,444.16
  5. Step 5: Solve for x
    x = 187,159,444.16/17,613.16
  6. Step 6: Final answer
    x = 10,626.11

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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.