Home / 14,811.60-22,210.20-8,230.80

Finding the Fourth Proportional to 14,811.60, 22,210.20 and 8,230.80

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Solution

The fourth proportional to 14,811.60, 22,210.20 and 8,230.80 is: 12,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.60 : 22,210.20 = 8,230.80 : x
  2. Step 2: Convert to fraction form
    14,811.60/22,210.20 = 8,230.80/x
  3. Step 3: Cross multiply
    14,811.60x = 22,210.20 × 8,230.80
  4. Step 4: Simplify right side
    14,811.60x = 182,807,714.16
  5. Step 5: Solve for x
    x = 182,807,714.16/14,811.60
  6. Step 6: Final answer
    x = 12,342.20

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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.