Home / 10,184.16-15,276.24-2,788.72

Finding the Fourth Proportional to 10,184.16, 15,276.24 and 2,788.72

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Solution

The fourth proportional to 10,184.16, 15,276.24 and 2,788.72 is: 4,183.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,184.16 : 15,276.24 = 2,788.72 : x
  2. Step 2: Convert to fraction form
    10,184.16/15,276.24 = 2,788.72/x
  3. Step 3: Cross multiply
    10,184.16x = 15,276.24 × 2,788.72
  4. Step 4: Simplify right side
    10,184.16x = 42,601,156.01
  5. Step 5: Solve for x
    x = 42,601,156.01/10,184.16
  6. Step 6: Final answer
    x = 4,183.08

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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.