Home / 10,168.12-15,247.18-4,243.22

Finding the Fourth Proportional to 10,168.12, 15,247.18 and 4,243.22

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Solution

The fourth proportional to 10,168.12, 15,247.18 and 4,243.22 is: 6,362.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.12 : 15,247.18 = 4,243.22 : x
  2. Step 2: Convert to fraction form
    10,168.12/15,247.18 = 4,243.22/x
  3. Step 3: Cross multiply
    10,168.12x = 15,247.18 × 4,243.22
  4. Step 4: Simplify right side
    10,168.12x = 64,697,139.12
  5. Step 5: Solve for x
    x = 64,697,139.12/10,168.12
  6. Step 6: Final answer
    x = 6,362.74

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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.