Home / 11,940.60-17,886.29-6,995.25

Finding the Fourth Proportional to 11,940.60, 17,886.29 and 6,995.25

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Solution

The fourth proportional to 11,940.60, 17,886.29 and 6,995.25 is: 10,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,940.60 : 17,886.29 = 6,995.25 : x
  2. Step 2: Convert to fraction form
    11,940.60/17,886.29 = 6,995.25/x
  3. Step 3: Cross multiply
    11,940.60x = 17,886.29 × 6,995.25
  4. Step 4: Simplify right side
    11,940.60x = 125,119,061.38
  5. Step 5: Solve for x
    x = 125,119,061.38/11,940.60
  6. Step 6: Final answer
    x = 10,478.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.