Home / 15,917.77-21,967.20-8,844.22

Finding the Fourth Proportional to 15,917.77, 21,967.20 and 8,844.22

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Solution

The fourth proportional to 15,917.77, 21,967.20 and 8,844.22 is: 12,205.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,917.77 : 21,967.20 = 8,844.22 : x
  2. Step 2: Convert to fraction form
    15,917.77/21,967.20 = 8,844.22/x
  3. Step 3: Cross multiply
    15,917.77x = 21,967.20 × 8,844.22
  4. Step 4: Simplify right side
    15,917.77x = 194,282,749.58
  5. Step 5: Solve for x
    x = 194,282,749.58/15,917.77
  6. Step 6: Final answer
    x = 12,205.40

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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.