Home / 19,432.81-29,127.34-7,732.36

Finding the Fourth Proportional to 19,432.81, 29,127.34 and 7,732.36

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Solution

The fourth proportional to 19,432.81, 29,127.34 and 7,732.36 is: 11,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,432.81 : 29,127.34 = 7,732.36 : x
  2. Step 2: Convert to fraction form
    19,432.81/29,127.34 = 7,732.36/x
  3. Step 3: Cross multiply
    19,432.81x = 29,127.34 × 7,732.36
  4. Step 4: Simplify right side
    19,432.81x = 225,223,078.72
  5. Step 5: Solve for x
    x = 225,223,078.72/19,432.81
  6. Step 6: Final answer
    x = 11,589.84

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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.