Home / 18,103.20-24,983.04-10,145.16

Finding the Fourth Proportional to 18,103.20, 24,983.04 and 10,145.16

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Solution

The fourth proportional to 18,103.20, 24,983.04 and 10,145.16 is: 14,000.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.20 : 24,983.04 = 10,145.16 : x
  2. Step 2: Convert to fraction form
    18,103.20/24,983.04 = 10,145.16/x
  3. Step 3: Cross multiply
    18,103.20x = 24,983.04 × 10,145.16
  4. Step 4: Simplify right side
    18,103.20x = 253,456,938.09
  5. Step 5: Solve for x
    x = 253,456,938.09/18,103.20
  6. Step 6: Final answer
    x = 14,000.67

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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.