Home / 17,349.45-26,016.48-7,987.20

Finding the Fourth Proportional to 17,349.45, 26,016.48 and 7,987.20

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Solution

The fourth proportional to 17,349.45, 26,016.48 and 7,987.20 is: 11,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,349.45 : 26,016.48 = 7,987.20 : x
  2. Step 2: Convert to fraction form
    17,349.45/26,016.48 = 7,987.20/x
  3. Step 3: Cross multiply
    17,349.45x = 26,016.48 × 7,987.20
  4. Step 4: Simplify right side
    17,349.45x = 207,798,829.06
  5. Step 5: Solve for x
    x = 207,798,829.06/17,349.45
  6. Step 6: Final answer
    x = 11,977.26

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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.