Home / 9,135.06-13,702.47-2,209.50

Finding the Fourth Proportional to 9,135.06, 13,702.47 and 2,209.50

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Solution

The fourth proportional to 9,135.06, 13,702.47 and 2,209.50 is: 3,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.06 : 13,702.47 = 2,209.50 : x
  2. Step 2: Convert to fraction form
    9,135.06/13,702.47 = 2,209.50/x
  3. Step 3: Cross multiply
    9,135.06x = 13,702.47 × 2,209.50
  4. Step 4: Simplify right side
    9,135.06x = 30,275,607.47
  5. Step 5: Solve for x
    x = 30,275,607.47/9,135.06
  6. Step 6: Final answer
    x = 3,314.22

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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.