Home / 12,282.24-18,423.20-5,256.30

Finding the Fourth Proportional to 12,282.24, 18,423.20 and 5,256.30

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Solution

The fourth proportional to 12,282.24, 18,423.20 and 5,256.30 is: 7,884.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.24 : 18,423.20 = 5,256.30 : x
  2. Step 2: Convert to fraction form
    12,282.24/18,423.20 = 5,256.30/x
  3. Step 3: Cross multiply
    12,282.24x = 18,423.20 × 5,256.30
  4. Step 4: Simplify right side
    12,282.24x = 96,837,866.16
  5. Step 5: Solve for x
    x = 96,837,866.16/12,282.24
  6. Step 6: Final answer
    x = 7,884.38

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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.