Home / 10,121.76-15,184.48-4,577.72

Finding the Fourth Proportional to 10,121.76, 15,184.48 and 4,577.72

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Solution

The fourth proportional to 10,121.76, 15,184.48 and 4,577.72 is: 6,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.76 : 15,184.48 = 4,577.72 : x
  2. Step 2: Convert to fraction form
    10,121.76/15,184.48 = 4,577.72/x
  3. Step 3: Cross multiply
    10,121.76x = 15,184.48 × 4,577.72
  4. Step 4: Simplify right side
    10,121.76x = 69,510,297.79
  5. Step 5: Solve for x
    x = 69,510,297.79/10,121.76
  6. Step 6: Final answer
    x = 6,867.41

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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.