Home / 15,918.64-23,869.75-7,146.03

Finding the Fourth Proportional to 15,918.64, 23,869.75 and 7,146.03

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Solution

The fourth proportional to 15,918.64, 23,869.75 and 7,146.03 is: 10,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.64 : 23,869.75 = 7,146.03 : x
  2. Step 2: Convert to fraction form
    15,918.64/23,869.75 = 7,146.03/x
  3. Step 3: Cross multiply
    15,918.64x = 23,869.75 × 7,146.03
  4. Step 4: Simplify right side
    15,918.64x = 170,573,949.59
  5. Step 5: Solve for x
    x = 170,573,949.59/15,918.64
  6. Step 6: Final answer
    x = 10,715.36

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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.