Home / 11,084.64-15,284.34-9,061.80

Finding the Fourth Proportional to 11,084.64, 15,284.34 and 9,061.80

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Solution

The fourth proportional to 11,084.64, 15,284.34 and 9,061.80 is: 12,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,084.64 : 15,284.34 = 9,061.80 : x
  2. Step 2: Convert to fraction form
    11,084.64/15,284.34 = 9,061.80/x
  3. Step 3: Cross multiply
    11,084.64x = 15,284.34 × 9,061.80
  4. Step 4: Simplify right side
    11,084.64x = 138,503,632.21
  5. Step 5: Solve for x
    x = 138,503,632.21/11,084.64
  6. Step 6: Final answer
    x = 12,495.10

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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.