Home / 15,408.11-23,116.80-6,518.86

Finding the Fourth Proportional to 15,408.11, 23,116.80 and 6,518.86

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Solution

The fourth proportional to 15,408.11, 23,116.80 and 6,518.86 is: 9,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.11 : 23,116.80 = 6,518.86 : x
  2. Step 2: Convert to fraction form
    15,408.11/23,116.80 = 6,518.86/x
  3. Step 3: Cross multiply
    15,408.11x = 23,116.80 × 6,518.86
  4. Step 4: Simplify right side
    15,408.11x = 150,695,182.85
  5. Step 5: Solve for x
    x = 150,695,182.85/15,408.11
  6. Step 6: Final answer
    x = 9,780.25

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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.