Home / 19,496.19-29,221.10-8,957.28

Finding the Fourth Proportional to 19,496.19, 29,221.10 and 8,957.28

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Solution

The fourth proportional to 19,496.19, 29,221.10 and 8,957.28 is: 13,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,496.19 : 29,221.10 = 8,957.28 : x
  2. Step 2: Convert to fraction form
    19,496.19/29,221.10 = 8,957.28/x
  3. Step 3: Cross multiply
    19,496.19x = 29,221.10 × 8,957.28
  4. Step 4: Simplify right side
    19,496.19x = 261,741,574.61
  5. Step 5: Solve for x
    x = 261,741,574.61/19,496.19
  6. Step 6: Final answer
    x = 13,425.27

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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.