Home / 19,278.46-26,608.72-12,552.38

Finding the Fourth Proportional to 19,278.46, 26,608.72 and 12,552.38

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Solution

The fourth proportional to 19,278.46, 26,608.72 and 12,552.38 is: 17,325.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,278.46 : 26,608.72 = 12,552.38 : x
  2. Step 2: Convert to fraction form
    19,278.46/26,608.72 = 12,552.38/x
  3. Step 3: Cross multiply
    19,278.46x = 26,608.72 × 12,552.38
  4. Step 4: Simplify right side
    19,278.46x = 334,002,764.75
  5. Step 5: Solve for x
    x = 334,002,764.75/19,278.46
  6. Step 6: Final answer
    x = 17,325.18

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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.