Home / 22,263.37-30,718.38-13,309.36

Finding the Fourth Proportional to 22,263.37, 30,718.38 and 13,309.36

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Solution

The fourth proportional to 22,263.37, 30,718.38 and 13,309.36 is: 18,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,263.37 : 30,718.38 = 13,309.36 : x
  2. Step 2: Convert to fraction form
    22,263.37/30,718.38 = 13,309.36/x
  3. Step 3: Cross multiply
    22,263.37x = 30,718.38 × 13,309.36
  4. Step 4: Simplify right side
    22,263.37x = 408,841,978.04
  5. Step 5: Solve for x
    x = 408,841,978.04/22,263.37
  6. Step 6: Final answer
    x = 18,363.89

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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.