Home / 10,125.60-15,183.94-4,578.72

Finding the Fourth Proportional to 10,125.60, 15,183.94 and 4,578.72

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Solution

The fourth proportional to 10,125.60, 15,183.94 and 4,578.72 is: 6,866.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.60 : 15,183.94 = 4,578.72 : x
  2. Step 2: Convert to fraction form
    10,125.60/15,183.94 = 4,578.72/x
  3. Step 3: Cross multiply
    10,125.60x = 15,183.94 × 4,578.72
  4. Step 4: Simplify right side
    10,125.60x = 69,523,009.76
  5. Step 5: Solve for x
    x = 69,523,009.76/10,125.60
  6. Step 6: Final answer
    x = 6,866.06

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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.