Home / 15,896.15-21,937.16-8,823.05

Finding the Fourth Proportional to 15,896.15, 21,937.16 and 8,823.05

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Solution

The fourth proportional to 15,896.15, 21,937.16 and 8,823.05 is: 12,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.15 : 21,937.16 = 8,823.05 : x
  2. Step 2: Convert to fraction form
    15,896.15/21,937.16 = 8,823.05/x
  3. Step 3: Cross multiply
    15,896.15x = 21,937.16 × 8,823.05
  4. Step 4: Simplify right side
    15,896.15x = 193,552,571.91
  5. Step 5: Solve for x
    x = 193,552,571.91/15,896.15
  6. Step 6: Final answer
    x = 12,176.07

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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.