Home / 10,902.92-15,045.26-6,122.30

Finding the Fourth Proportional to 10,902.92, 15,045.26 and 6,122.30

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Solution

The fourth proportional to 10,902.92, 15,045.26 and 6,122.30 is: 8,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902.92 : 15,045.26 = 6,122.30 : x
  2. Step 2: Convert to fraction form
    10,902.92/15,045.26 = 6,122.30/x
  3. Step 3: Cross multiply
    10,902.92x = 15,045.26 × 6,122.30
  4. Step 4: Simplify right side
    10,902.92x = 92,111,489.46
  5. Step 5: Solve for x
    x = 92,111,489.46/10,902.92
  6. Step 6: Final answer
    x = 8,448.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.