Home / 22,222.08-30,652.56-13,263.36

Finding the Fourth Proportional to 22,222.08, 30,652.56 and 13,263.36

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Solution

The fourth proportional to 22,222.08, 30,652.56 and 13,263.36 is: 18,295.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,222.08 : 30,652.56 = 13,263.36 : x
  2. Step 2: Convert to fraction form
    22,222.08/30,652.56 = 13,263.36/x
  3. Step 3: Cross multiply
    22,222.08x = 30,652.56 × 13,263.36
  4. Step 4: Simplify right side
    22,222.08x = 406,555,938.20
  5. Step 5: Solve for x
    x = 406,555,938.20/22,222.08
  6. Step 6: Final answer
    x = 18,295.13

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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.