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Finding the Fourth Proportional to 17,009.52, 23,472.80 and 9,455.84

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Solution

The fourth proportional to 17,009.52, 23,472.80 and 9,455.84 is: 13,048.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,009.52 : 23,472.80 = 9,455.84 : x
  2. Step 2: Convert to fraction form
    17,009.52/23,472.80 = 9,455.84/x
  3. Step 3: Cross multiply
    17,009.52x = 23,472.80 × 9,455.84
  4. Step 4: Simplify right side
    17,009.52x = 221,955,041.15
  5. Step 5: Solve for x
    x = 221,955,041.15/17,009.52
  6. Step 6: Final answer
    x = 13,048.87

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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.