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Finding the Fourth Proportional to 15,242.65, 22,846.41 and 5,877.99

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Solution

The fourth proportional to 15,242.65, 22,846.41 and 5,877.99 is: 8,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.65 : 22,846.41 = 5,877.99 : x
  2. Step 2: Convert to fraction form
    15,242.65/22,846.41 = 5,877.99/x
  3. Step 3: Cross multiply
    15,242.65x = 22,846.41 × 5,877.99
  4. Step 4: Simplify right side
    15,242.65x = 134,290,969.52
  5. Step 5: Solve for x
    x = 134,290,969.52/15,242.65
  6. Step 6: Final answer
    x = 8,810.21

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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.