Home / 23,388.87-32,278.13-13,318.19

Finding the Fourth Proportional to 23,388.87, 32,278.13 and 13,318.19

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Solution

The fourth proportional to 23,388.87, 32,278.13 and 13,318.19 is: 18,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,388.87 : 32,278.13 = 13,318.19 : x
  2. Step 2: Convert to fraction form
    23,388.87/32,278.13 = 13,318.19/x
  3. Step 3: Cross multiply
    23,388.87x = 32,278.13 × 13,318.19
  4. Step 4: Simplify right side
    23,388.87x = 429,886,268.18
  5. Step 5: Solve for x
    x = 429,886,268.18/23,388.87
  6. Step 6: Final answer
    x = 18,379.95

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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.