Home / 19,358.28-26,714.43-10,974.78

Finding the Fourth Proportional to 19,358.28, 26,714.43 and 10,974.78

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Solution

The fourth proportional to 19,358.28, 26,714.43 and 10,974.78 is: 15,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,358.28 : 26,714.43 = 10,974.78 : x
  2. Step 2: Convert to fraction form
    19,358.28/26,714.43 = 10,974.78/x
  3. Step 3: Cross multiply
    19,358.28x = 26,714.43 × 10,974.78
  4. Step 4: Simplify right side
    19,358.28x = 293,184,992.08
  5. Step 5: Solve for x
    x = 293,184,992.08/19,358.28
  6. Step 6: Final answer
    x = 15,145.20

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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.