Home / 12,767.13-17,620.70-7,460.91

Finding the Fourth Proportional to 12,767.13, 17,620.70 and 7,460.91

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Solution

The fourth proportional to 12,767.13, 17,620.70 and 7,460.91 is: 10,297.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,767.13 : 17,620.70 = 7,460.91 : x
  2. Step 2: Convert to fraction form
    12,767.13/17,620.70 = 7,460.91/x
  3. Step 3: Cross multiply
    12,767.13x = 17,620.70 × 7,460.91
  4. Step 4: Simplify right side
    12,767.13x = 131,466,419.53
  5. Step 5: Solve for x
    x = 131,466,419.53/12,767.13
  6. Step 6: Final answer
    x = 10,297.26

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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.