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Finding the Fourth Proportional to 22,673.30, 34,015.71 and 13,321.22

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Solution

The fourth proportional to 22,673.30, 34,015.71 and 13,321.22 is: 19,985.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,673.30 : 34,015.71 = 13,321.22 : x
  2. Step 2: Convert to fraction form
    22,673.30/34,015.71 = 13,321.22/x
  3. Step 3: Cross multiply
    22,673.30x = 34,015.71 × 13,321.22
  4. Step 4: Simplify right side
    22,673.30x = 453,130,586.29
  5. Step 5: Solve for x
    x = 453,130,586.29/22,673.30
  6. Step 6: Final answer
    x = 19,985.21

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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.