Home / 15,912.98-23,866.40-15,122.70

Finding the Fourth Proportional to 15,912.98, 23,866.40 and 15,122.70

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Solution

The fourth proportional to 15,912.98, 23,866.40 and 15,122.70 is: 22,681.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.98 : 23,866.40 = 15,122.70 : x
  2. Step 2: Convert to fraction form
    15,912.98/23,866.40 = 15,122.70/x
  3. Step 3: Cross multiply
    15,912.98x = 23,866.40 × 15,122.70
  4. Step 4: Simplify right side
    15,912.98x = 360,924,360.02
  5. Step 5: Solve for x
    x = 360,924,360.02/15,912.98
  6. Step 6: Final answer
    x = 22,681.13

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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.