Home / 22,202.98-30,643.32-13,250.86

Finding the Fourth Proportional to 22,202.98, 30,643.32 and 13,250.86

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Solution

The fourth proportional to 22,202.98, 30,643.32 and 13,250.86 is: 18,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.98 : 30,643.32 = 13,250.86 : x
  2. Step 2: Convert to fraction form
    22,202.98/30,643.32 = 13,250.86/x
  3. Step 3: Cross multiply
    22,202.98x = 30,643.32 × 13,250.86
  4. Step 4: Simplify right side
    22,202.98x = 406,050,343.26
  5. Step 5: Solve for x
    x = 406,050,343.26/22,202.98
  6. Step 6: Final answer
    x = 18,288.10

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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.