Home / 10,019.07-13,825.17-5,542.20

Finding the Fourth Proportional to 10,019.07, 13,825.17 and 5,542.20

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Solution

The fourth proportional to 10,019.07, 13,825.17 and 5,542.20 is: 7,647.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.07 : 13,825.17 = 5,542.20 : x
  2. Step 2: Convert to fraction form
    10,019.07/13,825.17 = 5,542.20/x
  3. Step 3: Cross multiply
    10,019.07x = 13,825.17 × 5,542.20
  4. Step 4: Simplify right side
    10,019.07x = 76,621,857.17
  5. Step 5: Solve for x
    x = 76,621,857.17/10,019.07
  6. Step 6: Final answer
    x = 7,647.60

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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.