Home / 18,331.40-27,500.52-8,464.16

Finding the Fourth Proportional to 18,331.40, 27,500.52 and 8,464.16

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Solution

The fourth proportional to 18,331.40, 27,500.52 and 8,464.16 is: 12,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.40 : 27,500.52 = 8,464.16 : x
  2. Step 2: Convert to fraction form
    18,331.40/27,500.52 = 8,464.16/x
  3. Step 3: Cross multiply
    18,331.40x = 27,500.52 × 8,464.16
  4. Step 4: Simplify right side
    18,331.40x = 232,768,801.36
  5. Step 5: Solve for x
    x = 232,768,801.36/18,331.40
  6. Step 6: Final answer
    x = 12,697.82

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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.