Home / 12,031.18-18,045.59-3,708.95

Finding the Fourth Proportional to 12,031.18, 18,045.59 and 3,708.95

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Solution

The fourth proportional to 12,031.18, 18,045.59 and 3,708.95 is: 5,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.18 : 18,045.59 = 3,708.95 : x
  2. Step 2: Convert to fraction form
    12,031.18/18,045.59 = 3,708.95/x
  3. Step 3: Cross multiply
    12,031.18x = 18,045.59 × 3,708.95
  4. Step 4: Simplify right side
    12,031.18x = 66,930,082.26
  5. Step 5: Solve for x
    x = 66,930,082.26/12,031.18
  6. Step 6: Final answer
    x = 5,563.05

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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.