Home / 9,419.51-14,131.60-6,651.61

Finding the Fourth Proportional to 9,419.51, 14,131.60 and 6,651.61

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Solution

The fourth proportional to 9,419.51, 14,131.60 and 6,651.61 is: 9,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.51 : 14,131.60 = 6,651.61 : x
  2. Step 2: Convert to fraction form
    9,419.51/14,131.60 = 6,651.61/x
  3. Step 3: Cross multiply
    9,419.51x = 14,131.60 × 6,651.61
  4. Step 4: Simplify right side
    9,419.51x = 93,997,839.92
  5. Step 5: Solve for x
    x = 93,997,839.92/9,419.51
  6. Step 6: Final answer
    x = 9,979.06

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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.