Home / 11,065.47-15,270.21-6,349.65

Finding the Fourth Proportional to 11,065.47, 15,270.21 and 6,349.65

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Solution

The fourth proportional to 11,065.47, 15,270.21 and 6,349.65 is: 8,762.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.47 : 15,270.21 = 6,349.65 : x
  2. Step 2: Convert to fraction form
    11,065.47/15,270.21 = 6,349.65/x
  3. Step 3: Cross multiply
    11,065.47x = 15,270.21 × 6,349.65
  4. Step 4: Simplify right side
    11,065.47x = 96,960,488.93
  5. Step 5: Solve for x
    x = 96,960,488.93/11,065.47
  6. Step 6: Final answer
    x = 8,762.44

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Double scale
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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.