Home / 13,780.97-20,655.05-9,598.33

Finding the Fourth Proportional to 13,780.97, 20,655.05 and 9,598.33

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Solution

The fourth proportional to 13,780.97, 20,655.05 and 9,598.33 is: 14,386.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780.97 : 20,655.05 = 9,598.33 : x
  2. Step 2: Convert to fraction form
    13,780.97/20,655.05 = 9,598.33/x
  3. Step 3: Cross multiply
    13,780.97x = 20,655.05 × 9,598.33
  4. Step 4: Simplify right side
    13,780.97x = 198,253,986.07
  5. Step 5: Solve for x
    x = 198,253,986.07/13,780.97
  6. Step 6: Final answer
    x = 14,386.07

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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.