Home / 15,733.44-21,718.95-11,249.40

Finding the Fourth Proportional to 15,733.44, 21,718.95 and 11,249.40

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Solution

The fourth proportional to 15,733.44, 21,718.95 and 11,249.40 is: 15,529.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,733.44 : 21,718.95 = 11,249.40 : x
  2. Step 2: Convert to fraction form
    15,733.44/21,718.95 = 11,249.40/x
  3. Step 3: Cross multiply
    15,733.44x = 21,718.95 × 11,249.40
  4. Step 4: Simplify right side
    15,733.44x = 244,325,156.13
  5. Step 5: Solve for x
    x = 244,325,156.13/15,733.44
  6. Step 6: Final answer
    x = 15,529.04

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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.