Home / 17,112.51-25,681.05-7,254.54

Finding the Fourth Proportional to 17,112.51, 25,681.05 and 7,254.54

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Solution

The fourth proportional to 17,112.51, 25,681.05 and 7,254.54 is: 10,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.51 : 25,681.05 = 7,254.54 : x
  2. Step 2: Convert to fraction form
    17,112.51/25,681.05 = 7,254.54/x
  3. Step 3: Cross multiply
    17,112.51x = 25,681.05 × 7,254.54
  4. Step 4: Simplify right side
    17,112.51x = 186,304,204.47
  5. Step 5: Solve for x
    x = 186,304,204.47/17,112.51
  6. Step 6: Final answer
    x = 10,887.02

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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.