Home / 15,750.16-21,736.32-9,037.84

Finding the Fourth Proportional to 15,750.16, 21,736.32 and 9,037.84

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Solution

The fourth proportional to 15,750.16, 21,736.32 and 9,037.84 is: 12,472.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,750.16 : 21,736.32 = 9,037.84 : x
  2. Step 2: Convert to fraction form
    15,750.16/21,736.32 = 9,037.84/x
  3. Step 3: Cross multiply
    15,750.16x = 21,736.32 × 9,037.84
  4. Step 4: Simplify right side
    15,750.16x = 196,449,382.35
  5. Step 5: Solve for x
    x = 196,449,382.35/15,750.16
  6. Step 6: Final answer
    x = 12,472.85

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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.