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Finding the Fourth Proportional to 17,853, 26,771.68 and 9,531.12

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Solution

The fourth proportional to 17,853, 26,771.68 and 9,531.12 is: 14,292.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853 : 26,771.68 = 9,531.12 : x
  2. Step 2: Convert to fraction form
    17,853/26,771.68 = 9,531.12/x
  3. Step 3: Cross multiply
    17,853x = 26,771.68 × 9,531.12
  4. Step 4: Simplify right side
    17,853x = 255,164,094.68
  5. Step 5: Solve for x
    x = 255,164,094.68/17,853
  6. Step 6: Final answer
    x = 14,292.51

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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.