Home / 9,415.26-14,122.80-5,718.51

Finding the Fourth Proportional to 9,415.26, 14,122.80 and 5,718.51

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Solution

The fourth proportional to 9,415.26, 14,122.80 and 5,718.51 is: 8,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.26 : 14,122.80 = 5,718.51 : x
  2. Step 2: Convert to fraction form
    9,415.26/14,122.80 = 5,718.51/x
  3. Step 3: Cross multiply
    9,415.26x = 14,122.80 × 5,718.51
  4. Step 4: Simplify right side
    9,415.26x = 80,761,373.03
  5. Step 5: Solve for x
    x = 80,761,373.03/9,415.26
  6. Step 6: Final answer
    x = 8,577.71

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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.