Home / 15,997.12-22,074.62-8,923.40

Finding the Fourth Proportional to 15,997.12, 22,074.62 and 8,923.40

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Solution

The fourth proportional to 15,997.12, 22,074.62 and 8,923.40 is: 12,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.12 : 22,074.62 = 8,923.40 : x
  2. Step 2: Convert to fraction form
    15,997.12/22,074.62 = 8,923.40/x
  3. Step 3: Cross multiply
    15,997.12x = 22,074.62 × 8,923.40
  4. Step 4: Simplify right side
    15,997.12x = 196,980,664.11
  5. Step 5: Solve for x
    x = 196,980,664.11/15,997.12
  6. Step 6: Final answer
    x = 12,313.51

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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.