Home / 9,069.66-12,513.96-5,531.58

Finding the Fourth Proportional to 9,069.66, 12,513.96 and 5,531.58

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Solution

The fourth proportional to 9,069.66, 12,513.96 and 5,531.58 is: 7,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.66 : 12,513.96 = 5,531.58 : x
  2. Step 2: Convert to fraction form
    9,069.66/12,513.96 = 5,531.58/x
  3. Step 3: Cross multiply
    9,069.66x = 12,513.96 × 5,531.58
  4. Step 4: Simplify right side
    9,069.66x = 69,221,970.86
  5. Step 5: Solve for x
    x = 69,221,970.86/9,069.66
  6. Step 6: Final answer
    x = 7,632.26

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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.