Home / 10,199.40-15,298.68-2,803.32

Finding the Fourth Proportional to 10,199.40, 15,298.68 and 2,803.32

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Solution

The fourth proportional to 10,199.40, 15,298.68 and 2,803.32 is: 4,204.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,199.40 : 15,298.68 = 2,803.32 : x
  2. Step 2: Convert to fraction form
    10,199.40/15,298.68 = 2,803.32/x
  3. Step 3: Cross multiply
    10,199.40x = 15,298.68 × 2,803.32
  4. Step 4: Simplify right side
    10,199.40x = 42,887,095.62
  5. Step 5: Solve for x
    x = 42,887,095.62/10,199.40
  6. Step 6: Final answer
    x = 4,204.86

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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.