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Finding the Fourth Proportional to 17,215, 23,750.60 and 11,250.12

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Solution

The fourth proportional to 17,215, 23,750.60 and 11,250.12 is: 15,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215 : 23,750.60 = 11,250.12 : x
  2. Step 2: Convert to fraction form
    17,215/23,750.60 = 11,250.12/x
  3. Step 3: Cross multiply
    17,215x = 23,750.60 × 11,250.12
  4. Step 4: Simplify right side
    17,215x = 267,197,100.07
  5. Step 5: Solve for x
    x = 267,197,100.07/17,215
  6. Step 6: Final answer
    x = 15,521.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.