Home / 15,982.00-22,055.31-8,812.17

Finding the Fourth Proportional to 15,982.00, 22,055.31 and 8,812.17

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Solution

The fourth proportional to 15,982.00, 22,055.31 and 8,812.17 is: 12,160.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.00 : 22,055.31 = 8,812.17 : x
  2. Step 2: Convert to fraction form
    15,982.00/22,055.31 = 8,812.17/x
  3. Step 3: Cross multiply
    15,982.00x = 22,055.31 × 8,812.17
  4. Step 4: Simplify right side
    15,982.00x = 194,355,048.11
  5. Step 5: Solve for x
    x = 194,355,048.11/15,982.00
  6. Step 6: Final answer
    x = 12,160.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.