Home / 13,335.30-20,010.15-5,940.90

Finding the Fourth Proportional to 13,335.30, 20,010.15 and 5,940.90

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Solution

The fourth proportional to 13,335.30, 20,010.15 and 5,940.90 is: 8,914.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.30 : 20,010.15 = 5,940.90 : x
  2. Step 2: Convert to fraction form
    13,335.30/20,010.15 = 5,940.90/x
  3. Step 3: Cross multiply
    13,335.30x = 20,010.15 × 5,940.90
  4. Step 4: Simplify right side
    13,335.30x = 118,878,300.14
  5. Step 5: Solve for x
    x = 118,878,300.14/13,335.30
  6. Step 6: Final answer
    x = 8,914.56

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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.