Home / 17,718.90-26,581.22-5,240.18

Finding the Fourth Proportional to 17,718.90, 26,581.22 and 5,240.18

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Solution

The fourth proportional to 17,718.90, 26,581.22 and 5,240.18 is: 7,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718.90 : 26,581.22 = 5,240.18 : x
  2. Step 2: Convert to fraction form
    17,718.90/26,581.22 = 5,240.18/x
  3. Step 3: Cross multiply
    17,718.90x = 26,581.22 × 5,240.18
  4. Step 4: Simplify right side
    17,718.90x = 139,290,377.42
  5. Step 5: Solve for x
    x = 139,290,377.42/17,718.90
  6. Step 6: Final answer
    x = 7,861.12

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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.