Home / 15,581.26-21,471.24-11,097.10

Finding the Fourth Proportional to 15,581.26, 21,471.24 and 11,097.10

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Solution

The fourth proportional to 15,581.26, 21,471.24 and 11,097.10 is: 15,291.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.26 : 21,471.24 = 11,097.10 : x
  2. Step 2: Convert to fraction form
    15,581.26/21,471.24 = 11,097.10/x
  3. Step 3: Cross multiply
    15,581.26x = 21,471.24 × 11,097.10
  4. Step 4: Simplify right side
    15,581.26x = 238,268,497.40
  5. Step 5: Solve for x
    x = 238,268,497.40/15,581.26
  6. Step 6: Final answer
    x = 15,291.99

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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.