Home / 19,398.28-26,763.24-11,330.08

Finding the Fourth Proportional to 19,398.28, 26,763.24 and 11,330.08

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Solution

The fourth proportional to 19,398.28, 26,763.24 and 11,330.08 is: 15,631.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,398.28 : 26,763.24 = 11,330.08 : x
  2. Step 2: Convert to fraction form
    19,398.28/26,763.24 = 11,330.08/x
  3. Step 3: Cross multiply
    19,398.28x = 26,763.24 × 11,330.08
  4. Step 4: Simplify right side
    19,398.28x = 303,229,650.26
  5. Step 5: Solve for x
    x = 303,229,650.26/19,398.28
  6. Step 6: Final answer
    x = 15,631.78

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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.