Home / 11,239.28-15,509.04-6,522.65

Finding the Fourth Proportional to 11,239.28, 15,509.04 and 6,522.65

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Solution

The fourth proportional to 11,239.28, 15,509.04 and 6,522.65 is: 9,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,239.28 : 15,509.04 = 6,522.65 : x
  2. Step 2: Convert to fraction form
    11,239.28/15,509.04 = 6,522.65/x
  3. Step 3: Cross multiply
    11,239.28x = 15,509.04 × 6,522.65
  4. Step 4: Simplify right side
    11,239.28x = 101,160,039.76
  5. Step 5: Solve for x
    x = 101,160,039.76/11,239.28
  6. Step 6: Final answer
    x = 9,000.58

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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.