Home / 12,552.24-18,815.04-4,224.72

Finding the Fourth Proportional to 12,552.24, 18,815.04 and 4,224.72

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Solution

The fourth proportional to 12,552.24, 18,815.04 and 4,224.72 is: 6,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.24 : 18,815.04 = 4,224.72 : x
  2. Step 2: Convert to fraction form
    12,552.24/18,815.04 = 4,224.72/x
  3. Step 3: Cross multiply
    12,552.24x = 18,815.04 × 4,224.72
  4. Step 4: Simplify right side
    12,552.24x = 79,488,275.79
  5. Step 5: Solve for x
    x = 79,488,275.79/12,552.24
  6. Step 6: Final answer
    x = 6,332.60

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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.