Home / 15,915.89-23,867.66-5,383.10

Finding the Fourth Proportional to 15,915.89, 23,867.66 and 5,383.10

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Solution

The fourth proportional to 15,915.89, 23,867.66 and 5,383.10 is: 8,072.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.89 : 23,867.66 = 5,383.10 : x
  2. Step 2: Convert to fraction form
    15,915.89/23,867.66 = 5,383.10/x
  3. Step 3: Cross multiply
    15,915.89x = 23,867.66 × 5,383.10
  4. Step 4: Simplify right side
    15,915.89x = 128,481,854.29
  5. Step 5: Solve for x
    x = 128,481,854.29/15,915.89
  6. Step 6: Final answer
    x = 8,072.55

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1.5x scale

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.