Home / 9,699.80-13,391.84-6,873.16

Finding the Fourth Proportional to 9,699.80, 13,391.84 and 6,873.16

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Solution

The fourth proportional to 9,699.80, 13,391.84 and 6,873.16 is: 9,489.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.80 : 13,391.84 = 6,873.16 : x
  2. Step 2: Convert to fraction form
    9,699.80/13,391.84 = 6,873.16/x
  3. Step 3: Cross multiply
    9,699.80x = 13,391.84 × 6,873.16
  4. Step 4: Simplify right side
    9,699.80x = 92,044,259.01
  5. Step 5: Solve for x
    x = 92,044,259.01/9,699.80
  6. Step 6: Final answer
    x = 9,489.29

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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.