Home / 19,922.19-29,883.08-5,131.05

Finding the Fourth Proportional to 19,922.19, 29,883.08 and 5,131.05

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Solution

The fourth proportional to 19,922.19, 29,883.08 and 5,131.05 is: 7,696.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.19 : 29,883.08 = 5,131.05 : x
  2. Step 2: Convert to fraction form
    19,922.19/29,883.08 = 5,131.05/x
  3. Step 3: Cross multiply
    19,922.19x = 29,883.08 × 5,131.05
  4. Step 4: Simplify right side
    19,922.19x = 153,331,402.56
  5. Step 5: Solve for x
    x = 153,331,402.56/19,922.19
  6. Step 6: Final answer
    x = 7,696.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.