Home / 23,710.48-32,720.36-13,100.12

Finding the Fourth Proportional to 23,710.48, 32,720.36 and 13,100.12

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Solution

The fourth proportional to 23,710.48, 32,720.36 and 13,100.12 is: 18,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,710.48 : 32,720.36 = 13,100.12 : x
  2. Step 2: Convert to fraction form
    23,710.48/32,720.36 = 13,100.12/x
  3. Step 3: Cross multiply
    23,710.48x = 32,720.36 × 13,100.12
  4. Step 4: Simplify right side
    23,710.48x = 428,640,642.44
  5. Step 5: Solve for x
    x = 428,640,642.44/23,710.48
  6. Step 6: Final answer
    x = 18,078.11

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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.