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Finding the Fourth Proportional to 17,648.48, 26,432.07 and 10,613.06

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Solution

The fourth proportional to 17,648.48, 26,432.07 and 10,613.06 is: 15,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,648.48 : 26,432.07 = 10,613.06 : x
  2. Step 2: Convert to fraction form
    17,648.48/26,432.07 = 10,613.06/x
  3. Step 3: Cross multiply
    17,648.48x = 26,432.07 × 10,613.06
  4. Step 4: Simplify right side
    17,648.48x = 280,525,144.83
  5. Step 5: Solve for x
    x = 280,525,144.83/17,648.48
  6. Step 6: Final answer
    x = 15,895.14

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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.