Home / 11,479.16-15,838.32-7,002.62

Finding the Fourth Proportional to 11,479.16, 15,838.32 and 7,002.62

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Solution

The fourth proportional to 11,479.16, 15,838.32 and 7,002.62 is: 9,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.16 : 15,838.32 = 7,002.62 : x
  2. Step 2: Convert to fraction form
    11,479.16/15,838.32 = 7,002.62/x
  3. Step 3: Cross multiply
    11,479.16x = 15,838.32 × 7,002.62
  4. Step 4: Simplify right side
    11,479.16x = 110,909,736.40
  5. Step 5: Solve for x
    x = 110,909,736.40/11,479.16
  6. Step 6: Final answer
    x = 9,661.83

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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.