Home / 22,212.45-33,307.34-6,628.05

Finding the Fourth Proportional to 22,212.45, 33,307.34 and 6,628.05

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Solution

The fourth proportional to 22,212.45, 33,307.34 and 6,628.05 is: 9,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,212.45 : 33,307.34 = 6,628.05 : x
  2. Step 2: Convert to fraction form
    22,212.45/33,307.34 = 6,628.05/x
  3. Step 3: Cross multiply
    22,212.45x = 33,307.34 × 6,628.05
  4. Step 4: Simplify right side
    22,212.45x = 220,762,681.75
  5. Step 5: Solve for x
    x = 220,762,681.75/22,212.45
  6. Step 6: Final answer
    x = 9,938.69

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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.