Home / 19,549.12-26,982.48-11,170.48

Finding the Fourth Proportional to 19,549.12, 26,982.48 and 11,170.48

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Solution

The fourth proportional to 19,549.12, 26,982.48 and 11,170.48 is: 15,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,549.12 : 26,982.48 = 11,170.48 : x
  2. Step 2: Convert to fraction form
    19,549.12/26,982.48 = 11,170.48/x
  3. Step 3: Cross multiply
    19,549.12x = 26,982.48 × 11,170.48
  4. Step 4: Simplify right side
    19,549.12x = 301,407,253.19
  5. Step 5: Solve for x
    x = 301,407,253.19/19,549.12
  6. Step 6: Final answer
    x = 15,417.94

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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.