Home / 19,351.20-29,032.20-9,490.80

Finding the Fourth Proportional to 19,351.20, 29,032.20 and 9,490.80

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Solution

The fourth proportional to 19,351.20, 29,032.20 and 9,490.80 is: 14,238.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.20 : 29,032.20 = 9,490.80 : x
  2. Step 2: Convert to fraction form
    19,351.20/29,032.20 = 9,490.80/x
  3. Step 3: Cross multiply
    19,351.20x = 29,032.20 × 9,490.80
  4. Step 4: Simplify right side
    19,351.20x = 275,538,803.76
  5. Step 5: Solve for x
    x = 275,538,803.76/19,351.20
  6. Step 6: Final answer
    x = 14,238.85

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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.