Home / 15,242.23-21,033.79-8,527.98

Finding the Fourth Proportional to 15,242.23, 21,033.79 and 8,527.98

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Solution

The fourth proportional to 15,242.23, 21,033.79 and 8,527.98 is: 11,768.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,242.23 : 21,033.79 = 8,527.98 : x
  2. Step 2: Convert to fraction form
    15,242.23/21,033.79 = 8,527.98/x
  3. Step 3: Cross multiply
    15,242.23x = 21,033.79 × 8,527.98
  4. Step 4: Simplify right side
    15,242.23x = 179,375,740.44
  5. Step 5: Solve for x
    x = 179,375,740.44/15,242.23
  6. Step 6: Final answer
    x = 11,768.34

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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.