Home / 22,013.90-33,019.69-7,220.87

Finding the Fourth Proportional to 22,013.90, 33,019.69 and 7,220.87

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Solution

The fourth proportional to 22,013.90, 33,019.69 and 7,220.87 is: 10,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.90 : 33,019.69 = 7,220.87 : x
  2. Step 2: Convert to fraction form
    22,013.90/33,019.69 = 7,220.87/x
  3. Step 3: Cross multiply
    22,013.90x = 33,019.69 × 7,220.87
  4. Step 4: Simplify right side
    22,013.90x = 238,430,888.93
  5. Step 5: Solve for x
    x = 238,430,888.93/22,013.90
  6. Step 6: Final answer
    x = 10,830.92

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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.