Home / 11,509.09-17,232.88-7,326.45

Finding the Fourth Proportional to 11,509.09, 17,232.88 and 7,326.45

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Solution

The fourth proportional to 11,509.09, 17,232.88 and 7,326.45 is: 10,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,509.09 : 17,232.88 = 7,326.45 : x
  2. Step 2: Convert to fraction form
    11,509.09/17,232.88 = 7,326.45/x
  3. Step 3: Cross multiply
    11,509.09x = 17,232.88 × 7,326.45
  4. Step 4: Simplify right side
    11,509.09x = 126,255,808.49
  5. Step 5: Solve for x
    x = 126,255,808.49/11,509.09
  6. Step 6: Final answer
    x = 10,970.10

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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.