Home / 11,058.20-16,587.30-8,871.20

Finding the Fourth Proportional to 11,058.20, 16,587.30 and 8,871.20

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Solution

The fourth proportional to 11,058.20, 16,587.30 and 8,871.20 is: 13,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,058.20 : 16,587.30 = 8,871.20 : x
  2. Step 2: Convert to fraction form
    11,058.20/16,587.30 = 8,871.20/x
  3. Step 3: Cross multiply
    11,058.20x = 16,587.30 × 8,871.20
  4. Step 4: Simplify right side
    11,058.20x = 147,149,255.76
  5. Step 5: Solve for x
    x = 147,149,255.76/11,058.20
  6. Step 6: Final answer
    x = 13,306.80

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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.