Home / 15,943.34-22,003.13-8,871.09

Finding the Fourth Proportional to 15,943.34, 22,003.13 and 8,871.09

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Solution

The fourth proportional to 15,943.34, 22,003.13 and 8,871.09 is: 12,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.34 : 22,003.13 = 8,871.09 : x
  2. Step 2: Convert to fraction form
    15,943.34/22,003.13 = 8,871.09/x
  3. Step 3: Cross multiply
    15,943.34x = 22,003.13 × 8,871.09
  4. Step 4: Simplify right side
    15,943.34x = 195,191,768.69
  5. Step 5: Solve for x
    x = 195,191,768.69/15,943.34
  6. Step 6: Final answer
    x = 12,242.84

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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.