Home / 17,606.05-26,410.80-5,126.20

Finding the Fourth Proportional to 17,606.05, 26,410.80 and 5,126.20

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Solution

The fourth proportional to 17,606.05, 26,410.80 and 5,126.20 is: 7,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,606.05 : 26,410.80 = 5,126.20 : x
  2. Step 2: Convert to fraction form
    17,606.05/26,410.80 = 5,126.20/x
  3. Step 3: Cross multiply
    17,606.05x = 26,410.80 × 5,126.20
  4. Step 4: Simplify right side
    17,606.05x = 135,387,042.96
  5. Step 5: Solve for x
    x = 135,387,042.96/17,606.05
  6. Step 6: Final answer
    x = 7,689.80

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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.