Home / 15,163.60-22,719.80-12,552.40

Finding the Fourth Proportional to 15,163.60, 22,719.80 and 12,552.40

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Solution

The fourth proportional to 15,163.60, 22,719.80 and 12,552.40 is: 18,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.60 : 22,719.80 = 12,552.40 : x
  2. Step 2: Convert to fraction form
    15,163.60/22,719.80 = 12,552.40/x
  3. Step 3: Cross multiply
    15,163.60x = 22,719.80 × 12,552.40
  4. Step 4: Simplify right side
    15,163.60x = 285,188,017.52
  5. Step 5: Solve for x
    x = 285,188,017.52/15,163.60
  6. Step 6: Final answer
    x = 18,807.41

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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.