Home / 12,230.20-16,877.86-6,641.24

Finding the Fourth Proportional to 12,230.20, 16,877.86 and 6,641.24

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Solution

The fourth proportional to 12,230.20, 16,877.86 and 6,641.24 is: 9,165.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.20 : 16,877.86 = 6,641.24 : x
  2. Step 2: Convert to fraction form
    12,230.20/16,877.86 = 6,641.24/x
  3. Step 3: Cross multiply
    12,230.20x = 16,877.86 × 6,641.24
  4. Step 4: Simplify right side
    12,230.20x = 112,089,918.95
  5. Step 5: Solve for x
    x = 112,089,918.95/12,230.20
  6. Step 6: Final answer
    x = 9,165.01

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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.