Home / 11,371.32-15,696.36-6,657.12

Finding the Fourth Proportional to 11,371.32, 15,696.36 and 6,657.12

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Solution

The fourth proportional to 11,371.32, 15,696.36 and 6,657.12 is: 9,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.32 : 15,696.36 = 6,657.12 : x
  2. Step 2: Convert to fraction form
    11,371.32/15,696.36 = 6,657.12/x
  3. Step 3: Cross multiply
    11,371.32x = 15,696.36 × 6,657.12
  4. Step 4: Simplify right side
    11,371.32x = 104,492,552.08
  5. Step 5: Solve for x
    x = 104,492,552.08/11,371.32
  6. Step 6: Final answer
    x = 9,189.13

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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.