Home / 11,969.11-17,955.51-4,176.10

Finding the Fourth Proportional to 11,969.11, 17,955.51 and 4,176.10

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Solution

The fourth proportional to 11,969.11, 17,955.51 and 4,176.10 is: 6,264.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,969.11 : 17,955.51 = 4,176.10 : x
  2. Step 2: Convert to fraction form
    11,969.11/17,955.51 = 4,176.10/x
  3. Step 3: Cross multiply
    11,969.11x = 17,955.51 × 4,176.10
  4. Step 4: Simplify right side
    11,969.11x = 74,984,005.31
  5. Step 5: Solve for x
    x = 74,984,005.31/11,969.11
  6. Step 6: Final answer
    x = 6,264.79

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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.