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Finding the Fourth Proportional to 23,689.35, 35,534.06 and 6,159.20

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Solution

The fourth proportional to 23,689.35, 35,534.06 and 6,159.20 is: 9,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.35 : 35,534.06 = 6,159.20 : x
  2. Step 2: Convert to fraction form
    23,689.35/35,534.06 = 6,159.20/x
  3. Step 3: Cross multiply
    23,689.35x = 35,534.06 × 6,159.20
  4. Step 4: Simplify right side
    23,689.35x = 218,861,173.89
  5. Step 5: Solve for x
    x = 218,861,173.89/23,689.35
  6. Step 6: Final answer
    x = 9,238.80

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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.