Home / 15,915.28-23,836.58-7,601.15

Finding the Fourth Proportional to 15,915.28, 23,836.58 and 7,601.15

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Solution

The fourth proportional to 15,915.28, 23,836.58 and 7,601.15 is: 11,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.28 : 23,836.58 = 7,601.15 : x
  2. Step 2: Convert to fraction form
    15,915.28/23,836.58 = 7,601.15/x
  3. Step 3: Cross multiply
    15,915.28x = 23,836.58 × 7,601.15
  4. Step 4: Simplify right side
    15,915.28x = 181,185,498.66
  5. Step 5: Solve for x
    x = 181,185,498.66/15,915.28
  6. Step 6: Final answer
    x = 11,384.38

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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.