Home / 12,217.04-18,325.40-2,983.12

Finding the Fourth Proportional to 12,217.04, 18,325.40 and 2,983.12

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Solution

The fourth proportional to 12,217.04, 18,325.40 and 2,983.12 is: 4,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.04 : 18,325.40 = 2,983.12 : x
  2. Step 2: Convert to fraction form
    12,217.04/18,325.40 = 2,983.12/x
  3. Step 3: Cross multiply
    12,217.04x = 18,325.40 × 2,983.12
  4. Step 4: Simplify right side
    12,217.04x = 54,666,867.25
  5. Step 5: Solve for x
    x = 54,666,867.25/12,217.04
  6. Step 6: Final answer
    x = 4,474.64

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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.