Home / 12,011.52-18,017.97-3,247.14

Finding the Fourth Proportional to 12,011.52, 18,017.97 and 3,247.14

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Solution

The fourth proportional to 12,011.52, 18,017.97 and 3,247.14 is: 4,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.52 : 18,017.97 = 3,247.14 : x
  2. Step 2: Convert to fraction form
    12,011.52/18,017.97 = 3,247.14/x
  3. Step 3: Cross multiply
    12,011.52x = 18,017.97 × 3,247.14
  4. Step 4: Simplify right side
    12,011.52x = 58,506,871.11
  5. Step 5: Solve for x
    x = 58,506,871.11/12,011.52
  6. Step 6: Final answer
    x = 4,870.90

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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.