Home / 15,895.52-21,928.97-9,604.25

Finding the Fourth Proportional to 15,895.52, 21,928.97 and 9,604.25

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Solution

The fourth proportional to 15,895.52, 21,928.97 and 9,604.25 is: 13,249.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,895.52 : 21,928.97 = 9,604.25 : x
  2. Step 2: Convert to fraction form
    15,895.52/21,928.97 = 9,604.25/x
  3. Step 3: Cross multiply
    15,895.52x = 21,928.97 × 9,604.25
  4. Step 4: Simplify right side
    15,895.52x = 210,611,262.10
  5. Step 5: Solve for x
    x = 210,611,262.10/15,895.52
  6. Step 6: Final answer
    x = 13,249.72

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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.