Home / 19,346.28-26,703.12-11,391.08

Finding the Fourth Proportional to 19,346.28, 26,703.12 and 11,391.08

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Solution

The fourth proportional to 19,346.28, 26,703.12 and 11,391.08 is: 15,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.28 : 26,703.12 = 11,391.08 : x
  2. Step 2: Convert to fraction form
    19,346.28/26,703.12 = 11,391.08/x
  3. Step 3: Cross multiply
    19,346.28x = 26,703.12 × 11,391.08
  4. Step 4: Simplify right side
    19,346.28x = 304,177,376.17
  5. Step 5: Solve for x
    x = 304,177,376.17/19,346.28
  6. Step 6: Final answer
    x = 15,722.78

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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.