Home / 12,008.13-18,014.85-4,612.59

Finding the Fourth Proportional to 12,008.13, 18,014.85 and 4,612.59

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Solution

The fourth proportional to 12,008.13, 18,014.85 and 4,612.59 is: 6,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.13 : 18,014.85 = 4,612.59 : x
  2. Step 2: Convert to fraction form
    12,008.13/18,014.85 = 4,612.59/x
  3. Step 3: Cross multiply
    12,008.13x = 18,014.85 × 4,612.59
  4. Step 4: Simplify right side
    12,008.13x = 83,095,116.96
  5. Step 5: Solve for x
    x = 83,095,116.96/12,008.13
  6. Step 6: Final answer
    x = 6,919.90

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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.