Home / 12,071.66-18,106.88-3,306.58

Finding the Fourth Proportional to 12,071.66, 18,106.88 and 3,306.58

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Solution

The fourth proportional to 12,071.66, 18,106.88 and 3,306.58 is: 4,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.66 : 18,106.88 = 3,306.58 : x
  2. Step 2: Convert to fraction form
    12,071.66/18,106.88 = 3,306.58/x
  3. Step 3: Cross multiply
    12,071.66x = 18,106.88 × 3,306.58
  4. Step 4: Simplify right side
    12,071.66x = 59,871,785.47
  5. Step 5: Solve for x
    x = 59,871,785.47/12,071.66
  6. Step 6: Final answer
    x = 4,959.70

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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.