Home / 12,895.38-19,376.28-12,534.12

Finding the Fourth Proportional to 12,895.38, 19,376.28 and 12,534.12

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Solution

The fourth proportional to 12,895.38, 19,376.28 and 12,534.12 is: 18,833.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.38 : 19,376.28 = 12,534.12 : x
  2. Step 2: Convert to fraction form
    12,895.38/19,376.28 = 12,534.12/x
  3. Step 3: Cross multiply
    12,895.38x = 19,376.28 × 12,534.12
  4. Step 4: Simplify right side
    12,895.38x = 242,864,618.67
  5. Step 5: Solve for x
    x = 242,864,618.67/12,895.38
  6. Step 6: Final answer
    x = 18,833.46

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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.