Home / 22,307.20-33,460.80-9,986.56

Finding the Fourth Proportional to 22,307.20, 33,460.80 and 9,986.56

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Solution

The fourth proportional to 22,307.20, 33,460.80 and 9,986.56 is: 14,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.20 : 33,460.80 = 9,986.56 : x
  2. Step 2: Convert to fraction form
    22,307.20/33,460.80 = 9,986.56/x
  3. Step 3: Cross multiply
    22,307.20x = 33,460.80 × 9,986.56
  4. Step 4: Simplify right side
    22,307.20x = 334,158,286.85
  5. Step 5: Solve for x
    x = 334,158,286.85/22,307.20
  6. Step 6: Final answer
    x = 14,979.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.