Home / 18,736.92-25,856.40-10,353.24

Finding the Fourth Proportional to 18,736.92, 25,856.40 and 10,353.24

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Solution

The fourth proportional to 18,736.92, 25,856.40 and 10,353.24 is: 14,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.92 : 25,856.40 = 10,353.24 : x
  2. Step 2: Convert to fraction form
    18,736.92/25,856.40 = 10,353.24/x
  3. Step 3: Cross multiply
    18,736.92x = 25,856.40 × 10,353.24
  4. Step 4: Simplify right side
    18,736.92x = 267,697,514.74
  5. Step 5: Solve for x
    x = 267,697,514.74/18,736.92
  6. Step 6: Final answer
    x = 14,287.17

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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.