Home / 13,988.03-20,969.48-9,854.60

Finding the Fourth Proportional to 13,988.03, 20,969.48 and 9,854.60

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Solution

The fourth proportional to 13,988.03, 20,969.48 and 9,854.60 is: 14,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.03 : 20,969.48 = 9,854.60 : x
  2. Step 2: Convert to fraction form
    13,988.03/20,969.48 = 9,854.60/x
  3. Step 3: Cross multiply
    13,988.03x = 20,969.48 × 9,854.60
  4. Step 4: Simplify right side
    13,988.03x = 206,645,757.40
  5. Step 5: Solve for x
    x = 206,645,757.40/13,988.03
  6. Step 6: Final answer
    x = 14,773.05

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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.