Home / 15,258.52-21,056.46-8,452.36

Finding the Fourth Proportional to 15,258.52, 21,056.46 and 8,452.36

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Solution

The fourth proportional to 15,258.52, 21,056.46 and 8,452.36 is: 11,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,258.52 : 21,056.46 = 8,452.36 : x
  2. Step 2: Convert to fraction form
    15,258.52/21,056.46 = 8,452.36/x
  3. Step 3: Cross multiply
    15,258.52x = 21,056.46 × 8,452.36
  4. Step 4: Simplify right side
    15,258.52x = 177,976,780.25
  5. Step 5: Solve for x
    x = 177,976,780.25/15,258.52
  6. Step 6: Final answer
    x = 11,664.09

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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.