Home / 22,129.65-30,536.73-13,054.82

Finding the Fourth Proportional to 22,129.65, 30,536.73 and 13,054.82

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Solution

The fourth proportional to 22,129.65, 30,536.73 and 13,054.82 is: 18,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.65 : 30,536.73 = 13,054.82 : x
  2. Step 2: Convert to fraction form
    22,129.65/30,536.73 = 13,054.82/x
  3. Step 3: Cross multiply
    22,129.65x = 30,536.73 × 13,054.82
  4. Step 4: Simplify right side
    22,129.65x = 398,651,360.85
  5. Step 5: Solve for x
    x = 398,651,360.85/22,129.65
  6. Step 6: Final answer
    x = 18,014.35

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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.