Home / 11,451.85-15,804.01-6,416.11

Finding the Fourth Proportional to 11,451.85, 15,804.01 and 6,416.11

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Solution

The fourth proportional to 11,451.85, 15,804.01 and 6,416.11 is: 8,854.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.85 : 15,804.01 = 6,416.11 : x
  2. Step 2: Convert to fraction form
    11,451.85/15,804.01 = 6,416.11/x
  3. Step 3: Cross multiply
    11,451.85x = 15,804.01 × 6,416.11
  4. Step 4: Simplify right side
    11,451.85x = 101,400,290.07
  5. Step 5: Solve for x
    x = 101,400,290.07/11,451.85
  6. Step 6: Final answer
    x = 8,854.49

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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.