Home / 22,069.52-30,454.48-13,117.84

Finding the Fourth Proportional to 22,069.52, 30,454.48 and 13,117.84

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Solution

The fourth proportional to 22,069.52, 30,454.48 and 13,117.84 is: 18,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.52 : 30,454.48 = 13,117.84 : x
  2. Step 2: Convert to fraction form
    22,069.52/30,454.48 = 13,117.84/x
  3. Step 3: Cross multiply
    22,069.52x = 30,454.48 × 13,117.84
  4. Step 4: Simplify right side
    22,069.52x = 399,496,995.92
  5. Step 5: Solve for x
    x = 399,496,995.92/22,069.52
  6. Step 6: Final answer
    x = 18,101.75

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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.