Home / 17,987.37-26,980.06-5,507.38

Finding the Fourth Proportional to 17,987.37, 26,980.06 and 5,507.38

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Solution

The fourth proportional to 17,987.37, 26,980.06 and 5,507.38 is: 8,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.37 : 26,980.06 = 5,507.38 : x
  2. Step 2: Convert to fraction form
    17,987.37/26,980.06 = 5,507.38/x
  3. Step 3: Cross multiply
    17,987.37x = 26,980.06 × 5,507.38
  4. Step 4: Simplify right side
    17,987.37x = 148,589,442.84
  5. Step 5: Solve for x
    x = 148,589,442.84/17,987.37
  6. Step 6: Final answer
    x = 8,260.77

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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.