Home / 23,220.48-32,043.94-13,148.80

Finding the Fourth Proportional to 23,220.48, 32,043.94 and 13,148.80

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Solution

The fourth proportional to 23,220.48, 32,043.94 and 13,148.80 is: 18,145.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.48 : 32,043.94 = 13,148.80 : x
  2. Step 2: Convert to fraction form
    23,220.48/32,043.94 = 13,148.80/x
  3. Step 3: Cross multiply
    23,220.48x = 32,043.94 × 13,148.80
  4. Step 4: Simplify right side
    23,220.48x = 421,339,358.27
  5. Step 5: Solve for x
    x = 421,339,358.27/23,220.48
  6. Step 6: Final answer
    x = 18,145.16

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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.