Home / 18,503.03-27,754.25-12,565.19

Finding the Fourth Proportional to 18,503.03, 27,754.25 and 12,565.19

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Solution

The fourth proportional to 18,503.03, 27,754.25 and 12,565.19 is: 18,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.03 : 27,754.25 = 12,565.19 : x
  2. Step 2: Convert to fraction form
    18,503.03/27,754.25 = 12,565.19/x
  3. Step 3: Cross multiply
    18,503.03x = 27,754.25 × 12,565.19
  4. Step 4: Simplify right side
    18,503.03x = 348,737,431.12
  5. Step 5: Solve for x
    x = 348,737,431.12/18,503.03
  6. Step 6: Final answer
    x = 18,847.58

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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.