Home / 9,017.52-13,518.12-3,820.56

Finding the Fourth Proportional to 9,017.52, 13,518.12 and 3,820.56

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Solution

The fourth proportional to 9,017.52, 13,518.12 and 3,820.56 is: 5,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.52 : 13,518.12 = 3,820.56 : x
  2. Step 2: Convert to fraction form
    9,017.52/13,518.12 = 3,820.56/x
  3. Step 3: Cross multiply
    9,017.52x = 13,518.12 × 3,820.56
  4. Step 4: Simplify right side
    9,017.52x = 51,646,788.55
  5. Step 5: Solve for x
    x = 51,646,788.55/9,017.52
  6. Step 6: Final answer
    x = 5,727.38

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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.