Home / 19,343.79-26,693.42-10,959.75

Finding the Fourth Proportional to 19,343.79, 26,693.42 and 10,959.75

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Solution

The fourth proportional to 19,343.79, 26,693.42 and 10,959.75 is: 15,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,343.79 : 26,693.42 = 10,959.75 : x
  2. Step 2: Convert to fraction form
    19,343.79/26,693.42 = 10,959.75/x
  3. Step 3: Cross multiply
    19,343.79x = 26,693.42 × 10,959.75
  4. Step 4: Simplify right side
    19,343.79x = 292,553,155.05
  5. Step 5: Solve for x
    x = 292,553,155.05/19,343.79
  6. Step 6: Final answer
    x = 15,123.88

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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.