Home / 9,669.12-13,341.84-5,476.80

Finding the Fourth Proportional to 9,669.12, 13,341.84 and 5,476.80

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Solution

The fourth proportional to 9,669.12, 13,341.84 and 5,476.80 is: 7,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,669.12 : 13,341.84 = 5,476.80 : x
  2. Step 2: Convert to fraction form
    9,669.12/13,341.84 = 5,476.80/x
  3. Step 3: Cross multiply
    9,669.12x = 13,341.84 × 5,476.80
  4. Step 4: Simplify right side
    9,669.12x = 73,070,589.31
  5. Step 5: Solve for x
    x = 73,070,589.31/9,669.12
  6. Step 6: Final answer
    x = 7,557.11

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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.