Home / 17,877.36-26,812.60-5,394.49

Finding the Fourth Proportional to 17,877.36, 26,812.60 and 5,394.49

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Solution

The fourth proportional to 17,877.36, 26,812.60 and 5,394.49 is: 8,090.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,877.36 : 26,812.60 = 5,394.49 : x
  2. Step 2: Convert to fraction form
    17,877.36/26,812.60 = 5,394.49/x
  3. Step 3: Cross multiply
    17,877.36x = 26,812.60 × 5,394.49
  4. Step 4: Simplify right side
    17,877.36x = 144,640,302.57
  5. Step 5: Solve for x
    x = 144,640,302.57/17,877.36
  6. Step 6: Final answer
    x = 8,090.70

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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.