Home / 10,263.72-15,398.20-2,868.20

Finding the Fourth Proportional to 10,263.72, 15,398.20 and 2,868.20

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Solution

The fourth proportional to 10,263.72, 15,398.20 and 2,868.20 is: 4,303.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.72 : 15,398.20 = 2,868.20 : x
  2. Step 2: Convert to fraction form
    10,263.72/15,398.20 = 2,868.20/x
  3. Step 3: Cross multiply
    10,263.72x = 15,398.20 × 2,868.20
  4. Step 4: Simplify right side
    10,263.72x = 44,165,117.24
  5. Step 5: Solve for x
    x = 44,165,117.24/10,263.72
  6. Step 6: Final answer
    x = 4,303.03

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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.