Home / 19,346.38-26,713.76-15,761.87

Finding the Fourth Proportional to 19,346.38, 26,713.76 and 15,761.87

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Solution

The fourth proportional to 19,346.38, 26,713.76 and 15,761.87 is: 21,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,346.38 : 26,713.76 = 15,761.87 : x
  2. Step 2: Convert to fraction form
    19,346.38/26,713.76 = 15,761.87/x
  3. Step 3: Cross multiply
    19,346.38x = 26,713.76 × 15,761.87
  4. Step 4: Simplify right side
    19,346.38x = 421,058,812.33
  5. Step 5: Solve for x
    x = 421,058,812.33/19,346.38
  6. Step 6: Final answer
    x = 21,764.22

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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.