Home / 19,647.10-27,113.69-11,149.25

Finding the Fourth Proportional to 19,647.10, 27,113.69 and 11,149.25

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Solution

The fourth proportional to 19,647.10, 27,113.69 and 11,149.25 is: 15,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.10 : 27,113.69 = 11,149.25 : x
  2. Step 2: Convert to fraction form
    19,647.10/27,113.69 = 11,149.25/x
  3. Step 3: Cross multiply
    19,647.10x = 27,113.69 × 11,149.25
  4. Step 4: Simplify right side
    19,647.10x = 302,297,252.49
  5. Step 5: Solve for x
    x = 302,297,252.49/19,647.10
  6. Step 6: Final answer
    x = 15,386.36

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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.