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Finding the Fourth Proportional to 17,143.70, 23,658.48 and 10,070.24

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Solution

The fourth proportional to 17,143.70, 23,658.48 and 10,070.24 is: 13,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,143.70 : 23,658.48 = 10,070.24 : x
  2. Step 2: Convert to fraction form
    17,143.70/23,658.48 = 10,070.24/x
  3. Step 3: Cross multiply
    17,143.70x = 23,658.48 × 10,070.24
  4. Step 4: Simplify right side
    17,143.70x = 238,246,453.34
  5. Step 5: Solve for x
    x = 238,246,453.34/17,143.70
  6. Step 6: Final answer
    x = 13,897.03

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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.