Home / 12,244.79-18,368.72-4,238.85

Finding the Fourth Proportional to 12,244.79, 18,368.72 and 4,238.85

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Solution

The fourth proportional to 12,244.79, 18,368.72 and 4,238.85 is: 6,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,244.79 : 18,368.72 = 4,238.85 : x
  2. Step 2: Convert to fraction form
    12,244.79/18,368.72 = 4,238.85/x
  3. Step 3: Cross multiply
    12,244.79x = 18,368.72 × 4,238.85
  4. Step 4: Simplify right side
    12,244.79x = 77,862,259.37
  5. Step 5: Solve for x
    x = 77,862,259.37/12,244.79
  6. Step 6: Final answer
    x = 6,358.81

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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.