Home / 23,344.18-32,216.11-13,138.40

Finding the Fourth Proportional to 23,344.18, 32,216.11 and 13,138.40

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Solution

The fourth proportional to 23,344.18, 32,216.11 and 13,138.40 is: 18,131.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,344.18 : 32,216.11 = 13,138.40 : x
  2. Step 2: Convert to fraction form
    23,344.18/32,216.11 = 13,138.40/x
  3. Step 3: Cross multiply
    23,344.18x = 32,216.11 × 13,138.40
  4. Step 4: Simplify right side
    23,344.18x = 423,268,187.32
  5. Step 5: Solve for x
    x = 423,268,187.32/23,344.18
  6. Step 6: Final answer
    x = 18,131.64

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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.