Home / 10,828.92-16,242.12-3,038.40

Finding the Fourth Proportional to 10,828.92, 16,242.12 and 3,038.40

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Solution

The fourth proportional to 10,828.92, 16,242.12 and 3,038.40 is: 4,557.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.92 : 16,242.12 = 3,038.40 : x
  2. Step 2: Convert to fraction form
    10,828.92/16,242.12 = 3,038.40/x
  3. Step 3: Cross multiply
    10,828.92x = 16,242.12 × 3,038.40
  4. Step 4: Simplify right side
    10,828.92x = 49,350,057.41
  5. Step 5: Solve for x
    x = 49,350,057.41/10,828.92
  6. Step 6: Final answer
    x = 4,557.25

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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.