Home / 10,950.41-15,111.88-6,170.40

Finding the Fourth Proportional to 10,950.41, 15,111.88 and 6,170.40

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Solution

The fourth proportional to 10,950.41, 15,111.88 and 6,170.40 is: 8,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.41 : 15,111.88 = 6,170.40 : x
  2. Step 2: Convert to fraction form
    10,950.41/15,111.88 = 6,170.40/x
  3. Step 3: Cross multiply
    10,950.41x = 15,111.88 × 6,170.40
  4. Step 4: Simplify right side
    10,950.41x = 93,246,346.28
  5. Step 5: Solve for x
    x = 93,246,346.28/10,950.41
  6. Step 6: Final answer
    x = 8,515.33

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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.