Home / 15,969.68-22,036.11-9,255.26

Finding the Fourth Proportional to 15,969.68, 22,036.11 and 9,255.26

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Solution

The fourth proportional to 15,969.68, 22,036.11 and 9,255.26 is: 12,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.68 : 22,036.11 = 9,255.26 : x
  2. Step 2: Convert to fraction form
    15,969.68/22,036.11 = 9,255.26/x
  3. Step 3: Cross multiply
    15,969.68x = 22,036.11 × 9,255.26
  4. Step 4: Simplify right side
    15,969.68x = 203,949,927.44
  5. Step 5: Solve for x
    x = 203,949,927.44/15,969.68
  6. Step 6: Final answer
    x = 12,771.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.