Home / 9,259.86-13,902.06-5,518.56

Finding the Fourth Proportional to 9,259.86, 13,902.06 and 5,518.56

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Solution

The fourth proportional to 9,259.86, 13,902.06 and 5,518.56 is: 8,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.86 : 13,902.06 = 5,518.56 : x
  2. Step 2: Convert to fraction form
    9,259.86/13,902.06 = 5,518.56/x
  3. Step 3: Cross multiply
    9,259.86x = 13,902.06 × 5,518.56
  4. Step 4: Simplify right side
    9,259.86x = 76,719,352.23
  5. Step 5: Solve for x
    x = 76,719,352.23/9,259.86
  6. Step 6: Final answer
    x = 8,285.15

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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.