Home / 19,739.60-29,574.84-13,553.36

Finding the Fourth Proportional to 19,739.60, 29,574.84 and 13,553.36

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Solution

The fourth proportional to 19,739.60, 29,574.84 and 13,553.36 is: 20,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.60 : 29,574.84 = 13,553.36 : x
  2. Step 2: Convert to fraction form
    19,739.60/29,574.84 = 13,553.36/x
  3. Step 3: Cross multiply
    19,739.60x = 29,574.84 × 13,553.36
  4. Step 4: Simplify right side
    19,739.60x = 400,838,453.46
  5. Step 5: Solve for x
    x = 400,838,453.46/19,739.60
  6. Step 6: Final answer
    x = 20,306.31

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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.