Home / 22,222.02-33,336.28-7,428.18

Finding the Fourth Proportional to 22,222.02, 33,336.28 and 7,428.18

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Solution

The fourth proportional to 22,222.02, 33,336.28 and 7,428.18 is: 11,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.02 : 33,336.28 = 7,428.18 : x
  2. Step 2: Convert to fraction form
    22,222.02/33,336.28 = 7,428.18/x
  3. Step 3: Cross multiply
    22,222.02x = 33,336.28 × 7,428.18
  4. Step 4: Simplify right side
    22,222.02x = 247,627,888.37
  5. Step 5: Solve for x
    x = 247,627,888.37/22,222.02
  6. Step 6: Final answer
    x = 11,143.36

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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.