Home / 20,257.28-30,345.22-10,095.01

Finding the Fourth Proportional to 20,257.28, 30,345.22 and 10,095.01

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Solution

The fourth proportional to 20,257.28, 30,345.22 and 10,095.01 is: 15,122.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.28 : 30,345.22 = 10,095.01 : x
  2. Step 2: Convert to fraction form
    20,257.28/30,345.22 = 10,095.01/x
  3. Step 3: Cross multiply
    20,257.28x = 30,345.22 × 10,095.01
  4. Step 4: Simplify right side
    20,257.28x = 306,335,299.35
  5. Step 5: Solve for x
    x = 306,335,299.35/20,257.28
  6. Step 6: Final answer
    x = 15,122.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.