Home / 19,179.12-26,475.38-12,895.14

Finding the Fourth Proportional to 19,179.12, 26,475.38 and 12,895.14

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Solution

The fourth proportional to 19,179.12, 26,475.38 and 12,895.14 is: 17,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179.12 : 26,475.38 = 12,895.14 : x
  2. Step 2: Convert to fraction form
    19,179.12/26,475.38 = 12,895.14/x
  3. Step 3: Cross multiply
    19,179.12x = 26,475.38 × 12,895.14
  4. Step 4: Simplify right side
    19,179.12x = 341,403,667.18
  5. Step 5: Solve for x
    x = 341,403,667.18/19,179.12
  6. Step 6: Final answer
    x = 17,800.80

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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.