Home / 12,079.24-18,122.22-4,288.84

Finding the Fourth Proportional to 12,079.24, 18,122.22 and 4,288.84

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Solution

The fourth proportional to 12,079.24, 18,122.22 and 4,288.84 is: 6,434.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,079.24 : 18,122.22 = 4,288.84 : x
  2. Step 2: Convert to fraction form
    12,079.24/18,122.22 = 4,288.84/x
  3. Step 3: Cross multiply
    12,079.24x = 18,122.22 × 4,288.84
  4. Step 4: Simplify right side
    12,079.24x = 77,723,302.02
  5. Step 5: Solve for x
    x = 77,723,302.02/12,079.24
  6. Step 6: Final answer
    x = 6,434.45

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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.