Home / 15,919.14-21,968.01-8,846.18

Finding the Fourth Proportional to 15,919.14, 21,968.01 and 8,846.18

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Solution

The fourth proportional to 15,919.14, 21,968.01 and 8,846.18 is: 12,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.14 : 21,968.01 = 8,846.18 : x
  2. Step 2: Convert to fraction form
    15,919.14/21,968.01 = 8,846.18/x
  3. Step 3: Cross multiply
    15,919.14x = 21,968.01 × 8,846.18
  4. Step 4: Simplify right side
    15,919.14x = 194,332,970.70
  5. Step 5: Solve for x
    x = 194,332,970.70/15,919.14
  6. Step 6: Final answer
    x = 12,207.50

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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.