Home / 10,299.92-15,447.80-2,904.72

Finding the Fourth Proportional to 10,299.92, 15,447.80 and 2,904.72

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Solution

The fourth proportional to 10,299.92, 15,447.80 and 2,904.72 is: 4,356.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.92 : 15,447.80 = 2,904.72 : x
  2. Step 2: Convert to fraction form
    10,299.92/15,447.80 = 2,904.72/x
  3. Step 3: Cross multiply
    10,299.92x = 15,447.80 × 2,904.72
  4. Step 4: Simplify right side
    10,299.92x = 44,871,533.62
  5. Step 5: Solve for x
    x = 44,871,533.62/10,299.92
  6. Step 6: Final answer
    x = 4,356.49

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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.