Home / 11,258.92-15,539.45-7,423.81

Finding the Fourth Proportional to 11,258.92, 15,539.45 and 7,423.81

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Solution

The fourth proportional to 11,258.92, 15,539.45 and 7,423.81 is: 10,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,258.92 : 15,539.45 = 7,423.81 : x
  2. Step 2: Convert to fraction form
    11,258.92/15,539.45 = 7,423.81/x
  3. Step 3: Cross multiply
    11,258.92x = 15,539.45 × 7,423.81
  4. Step 4: Simplify right side
    11,258.92x = 115,361,876.18
  5. Step 5: Solve for x
    x = 115,361,876.18/11,258.92
  6. Step 6: Final answer
    x = 10,246.27

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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.