Home / 20,165.46-30,256.62-10,803.07

Finding the Fourth Proportional to 20,165.46, 30,256.62 and 10,803.07

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Solution

The fourth proportional to 20,165.46, 30,256.62 and 10,803.07 is: 16,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165.46 : 30,256.62 = 10,803.07 : x
  2. Step 2: Convert to fraction form
    20,165.46/30,256.62 = 10,803.07/x
  3. Step 3: Cross multiply
    20,165.46x = 30,256.62 × 10,803.07
  4. Step 4: Simplify right side
    20,165.46x = 326,864,383.82
  5. Step 5: Solve for x
    x = 326,864,383.82/20,165.46
  6. Step 6: Final answer
    x = 16,209.12

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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.