Home / 12,444.20-18,631.20-9,675.80

Finding the Fourth Proportional to 12,444.20, 18,631.20 and 9,675.80

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Solution

The fourth proportional to 12,444.20, 18,631.20 and 9,675.80 is: 14,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.20 : 18,631.20 = 9,675.80 : x
  2. Step 2: Convert to fraction form
    12,444.20/18,631.20 = 9,675.80/x
  3. Step 3: Cross multiply
    12,444.20x = 18,631.20 × 9,675.80
  4. Step 4: Simplify right side
    12,444.20x = 180,271,764.96
  5. Step 5: Solve for x
    x = 180,271,764.96/12,444.20
  6. Step 6: Final answer
    x = 14,486.41

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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.