Home / 18,115.55-24,970.57-14,280.94

Finding the Fourth Proportional to 18,115.55, 24,970.57 and 14,280.94

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Solution

The fourth proportional to 18,115.55, 24,970.57 and 14,280.94 is: 19,684.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.55 : 24,970.57 = 14,280.94 : x
  2. Step 2: Convert to fraction form
    18,115.55/24,970.57 = 14,280.94/x
  3. Step 3: Cross multiply
    18,115.55x = 24,970.57 × 14,280.94
  4. Step 4: Simplify right side
    18,115.55x = 356,603,015.68
  5. Step 5: Solve for x
    x = 356,603,015.68/18,115.55
  6. Step 6: Final answer
    x = 19,684.91

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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.