Home / 18,064.87-24,921.61-13,865.83

Finding the Fourth Proportional to 18,064.87, 24,921.61 and 13,865.83

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Solution

The fourth proportional to 18,064.87, 24,921.61 and 13,865.83 is: 19,128.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,064.87 : 24,921.61 = 13,865.83 : x
  2. Step 2: Convert to fraction form
    18,064.87/24,921.61 = 13,865.83/x
  3. Step 3: Cross multiply
    18,064.87x = 24,921.61 × 13,865.83
  4. Step 4: Simplify right side
    18,064.87x = 345,558,807.59
  5. Step 5: Solve for x
    x = 345,558,807.59/18,064.87
  6. Step 6: Final answer
    x = 19,128.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.