Home / 19,451.28-26,842.50-10,954.24

Finding the Fourth Proportional to 19,451.28, 26,842.50 and 10,954.24

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Solution

The fourth proportional to 19,451.28, 26,842.50 and 10,954.24 is: 15,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.28 : 26,842.50 = 10,954.24 : x
  2. Step 2: Convert to fraction form
    19,451.28/26,842.50 = 10,954.24/x
  3. Step 3: Cross multiply
    19,451.28x = 26,842.50 × 10,954.24
  4. Step 4: Simplify right side
    19,451.28x = 294,039,187.20
  5. Step 5: Solve for x
    x = 294,039,187.20/19,451.28
  6. Step 6: Final answer
    x = 15,116.70

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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.