Home / 15,945.04-22,004.15-8,871.46

Finding the Fourth Proportional to 15,945.04, 22,004.15 and 8,871.46

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Solution

The fourth proportional to 15,945.04, 22,004.15 and 8,871.46 is: 12,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.04 : 22,004.15 = 8,871.46 : x
  2. Step 2: Convert to fraction form
    15,945.04/22,004.15 = 8,871.46/x
  3. Step 3: Cross multiply
    15,945.04x = 22,004.15 × 8,871.46
  4. Step 4: Simplify right side
    15,945.04x = 195,208,936.56
  5. Step 5: Solve for x
    x = 195,208,936.56/15,945.04
  6. Step 6: Final answer
    x = 12,242.61

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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.