Home / 19,304.76-29,005.54-12,287.80

Finding the Fourth Proportional to 19,304.76, 29,005.54 and 12,287.80

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Solution

The fourth proportional to 19,304.76, 29,005.54 and 12,287.80 is: 18,462.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.76 : 29,005.54 = 12,287.80 : x
  2. Step 2: Convert to fraction form
    19,304.76/29,005.54 = 12,287.80/x
  3. Step 3: Cross multiply
    19,304.76x = 29,005.54 × 12,287.80
  4. Step 4: Simplify right side
    19,304.76x = 356,414,274.41
  5. Step 5: Solve for x
    x = 356,414,274.41/19,304.76
  6. Step 6: Final answer
    x = 18,462.51

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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.