Home / 12,040.39-18,053.88-3,718.05

Finding the Fourth Proportional to 12,040.39, 18,053.88 and 3,718.05

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Solution

The fourth proportional to 12,040.39, 18,053.88 and 3,718.05 is: 5,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.39 : 18,053.88 = 3,718.05 : x
  2. Step 2: Convert to fraction form
    12,040.39/18,053.88 = 3,718.05/x
  3. Step 3: Cross multiply
    12,040.39x = 18,053.88 × 3,718.05
  4. Step 4: Simplify right side
    12,040.39x = 67,125,228.53
  5. Step 5: Solve for x
    x = 67,125,228.53/12,040.39
  6. Step 6: Final answer
    x = 5,575.00

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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.