Home / 11,287.08-15,576.30-6,571.80

Finding the Fourth Proportional to 11,287.08, 15,576.30 and 6,571.80

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Solution

The fourth proportional to 11,287.08, 15,576.30 and 6,571.80 is: 9,069.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.08 : 15,576.30 = 6,571.80 : x
  2. Step 2: Convert to fraction form
    11,287.08/15,576.30 = 6,571.80/x
  3. Step 3: Cross multiply
    11,287.08x = 15,576.30 × 6,571.80
  4. Step 4: Simplify right side
    11,287.08x = 102,364,328.34
  5. Step 5: Solve for x
    x = 102,364,328.34/11,287.08
  6. Step 6: Final answer
    x = 9,069.16

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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.