Home / 15,959.08-23,900.28-8,921.80

Finding the Fourth Proportional to 15,959.08, 23,900.28 and 8,921.80

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Solution

The fourth proportional to 15,959.08, 23,900.28 and 8,921.80 is: 13,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,959.08 : 23,900.28 = 8,921.80 : x
  2. Step 2: Convert to fraction form
    15,959.08/23,900.28 = 8,921.80/x
  3. Step 3: Cross multiply
    15,959.08x = 23,900.28 × 8,921.80
  4. Step 4: Simplify right side
    15,959.08x = 213,233,518.10
  5. Step 5: Solve for x
    x = 213,233,518.10/15,959.08
  6. Step 6: Final answer
    x = 13,361.27

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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.