Home / 19,371.12-29,056.76-5,520.12

Finding the Fourth Proportional to 19,371.12, 29,056.76 and 5,520.12

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Solution

The fourth proportional to 19,371.12, 29,056.76 and 5,520.12 is: 8,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.12 : 29,056.76 = 5,520.12 : x
  2. Step 2: Convert to fraction form
    19,371.12/29,056.76 = 5,520.12/x
  3. Step 3: Cross multiply
    19,371.12x = 29,056.76 × 5,520.12
  4. Step 4: Simplify right side
    19,371.12x = 160,396,802.01
  5. Step 5: Solve for x
    x = 160,396,802.01/19,371.12
  6. Step 6: Final answer
    x = 8,280.20

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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.