Home / 10,200.76-15,299.16-2,803.35

Finding the Fourth Proportional to 10,200.76, 15,299.16 and 2,803.35

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Solution

The fourth proportional to 10,200.76, 15,299.16 and 2,803.35 is: 4,204.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,200.76 : 15,299.16 = 2,803.35 : x
  2. Step 2: Convert to fraction form
    10,200.76/15,299.16 = 2,803.35/x
  3. Step 3: Cross multiply
    10,200.76x = 15,299.16 × 2,803.35
  4. Step 4: Simplify right side
    10,200.76x = 42,888,900.19
  5. Step 5: Solve for x
    x = 42,888,900.19/10,200.76
  6. Step 6: Final answer
    x = 4,204.48

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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.