Home / 11,462.40-15,819.03-6,747.60

Finding the Fourth Proportional to 11,462.40, 15,819.03 and 6,747.60

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Solution

The fourth proportional to 11,462.40, 15,819.03 and 6,747.60 is: 9,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,462.40 : 15,819.03 = 6,747.60 : x
  2. Step 2: Convert to fraction form
    11,462.40/15,819.03 = 6,747.60/x
  3. Step 3: Cross multiply
    11,462.40x = 15,819.03 × 6,747.60
  4. Step 4: Simplify right side
    11,462.40x = 106,740,486.83
  5. Step 5: Solve for x
    x = 106,740,486.83/11,462.40
  6. Step 6: Final answer
    x = 9,312.23

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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.