Home / 15,924.18-21,975.21-8,850.45

Finding the Fourth Proportional to 15,924.18, 21,975.21 and 8,850.45

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Solution

The fourth proportional to 15,924.18, 21,975.21 and 8,850.45 is: 12,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.18 : 21,975.21 = 8,850.45 : x
  2. Step 2: Convert to fraction form
    15,924.18/21,975.21 = 8,850.45/x
  3. Step 3: Cross multiply
    15,924.18x = 21,975.21 × 8,850.45
  4. Step 4: Simplify right side
    15,924.18x = 194,490,497.34
  5. Step 5: Solve for x
    x = 194,490,497.34/15,924.18
  6. Step 6: Final answer
    x = 12,213.53

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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.