Home / 13,175.77-19,741.71-9,271.97

Finding the Fourth Proportional to 13,175.77, 19,741.71 and 9,271.97

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Solution

The fourth proportional to 13,175.77, 19,741.71 and 9,271.97 is: 13,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.77 : 19,741.71 = 9,271.97 : x
  2. Step 2: Convert to fraction form
    13,175.77/19,741.71 = 9,271.97/x
  3. Step 3: Cross multiply
    13,175.77x = 19,741.71 × 9,271.97
  4. Step 4: Simplify right side
    13,175.77x = 183,044,542.87
  5. Step 5: Solve for x
    x = 183,044,542.87/13,175.77
  6. Step 6: Final answer
    x = 13,892.51

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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.