Home / 15,553.90-23,317.62-6,782.28

Finding the Fourth Proportional to 15,553.90, 23,317.62 and 6,782.28

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Solution

The fourth proportional to 15,553.90, 23,317.62 and 6,782.28 is: 10,167.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553.90 : 23,317.62 = 6,782.28 : x
  2. Step 2: Convert to fraction form
    15,553.90/23,317.62 = 6,782.28/x
  3. Step 3: Cross multiply
    15,553.90x = 23,317.62 × 6,782.28
  4. Step 4: Simplify right side
    15,553.90x = 158,146,627.77
  5. Step 5: Solve for x
    x = 158,146,627.77/15,553.90
  6. Step 6: Final answer
    x = 10,167.65

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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.