Home / 15,868.80-23,772.96-9,855.36

Finding the Fourth Proportional to 15,868.80, 23,772.96 and 9,855.36

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Solution

The fourth proportional to 15,868.80, 23,772.96 and 9,855.36 is: 14,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,868.80 : 23,772.96 = 9,855.36 : x
  2. Step 2: Convert to fraction form
    15,868.80/23,772.96 = 9,855.36/x
  3. Step 3: Cross multiply
    15,868.80x = 23,772.96 × 9,855.36
  4. Step 4: Simplify right side
    15,868.80x = 234,291,079.07
  5. Step 5: Solve for x
    x = 234,291,079.07/15,868.80
  6. Step 6: Final answer
    x = 14,764.26

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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.