Home / 15,116.67-22,675.08-5,121.51

Finding the Fourth Proportional to 15,116.67, 22,675.08 and 5,121.51

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Solution

The fourth proportional to 15,116.67, 22,675.08 and 5,121.51 is: 7,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,116.67 : 22,675.08 = 5,121.51 : x
  2. Step 2: Convert to fraction form
    15,116.67/22,675.08 = 5,121.51/x
  3. Step 3: Cross multiply
    15,116.67x = 22,675.08 × 5,121.51
  4. Step 4: Simplify right side
    15,116.67x = 116,130,648.97
  5. Step 5: Solve for x
    x = 116,130,648.97/15,116.67
  6. Step 6: Final answer
    x = 7,682.29

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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.