Home / 12,218.04-18,325.85-5,644.13

Finding the Fourth Proportional to 12,218.04, 18,325.85 and 5,644.13

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Solution

The fourth proportional to 12,218.04, 18,325.85 and 5,644.13 is: 8,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218.04 : 18,325.85 = 5,644.13 : x
  2. Step 2: Convert to fraction form
    12,218.04/18,325.85 = 5,644.13/x
  3. Step 3: Cross multiply
    12,218.04x = 18,325.85 × 5,644.13
  4. Step 4: Simplify right side
    12,218.04x = 103,433,504.41
  5. Step 5: Solve for x
    x = 103,433,504.41/12,218.04
  6. Step 6: Final answer
    x = 8,465.64

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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.