Home / 12,552.79-18,824.39-4,230.57

Finding the Fourth Proportional to 12,552.79, 18,824.39 and 4,230.57

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Solution

The fourth proportional to 12,552.79, 18,824.39 and 4,230.57 is: 6,344.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.79 : 18,824.39 = 4,230.57 : x
  2. Step 2: Convert to fraction form
    12,552.79/18,824.39 = 4,230.57/x
  3. Step 3: Cross multiply
    12,552.79x = 18,824.39 × 4,230.57
  4. Step 4: Simplify right side
    12,552.79x = 79,637,899.60
  5. Step 5: Solve for x
    x = 79,637,899.60/12,552.79
  6. Step 6: Final answer
    x = 6,344.24

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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.