Home / 17,987.06-26,980.85-6,894.31

Finding the Fourth Proportional to 17,987.06, 26,980.85 and 6,894.31

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Solution

The fourth proportional to 17,987.06, 26,980.85 and 6,894.31 is: 10,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.06 : 26,980.85 = 6,894.31 : x
  2. Step 2: Convert to fraction form
    17,987.06/26,980.85 = 6,894.31/x
  3. Step 3: Cross multiply
    17,987.06x = 26,980.85 × 6,894.31
  4. Step 4: Simplify right side
    17,987.06x = 186,014,343.96
  5. Step 5: Solve for x
    x = 186,014,343.96/17,987.06
  6. Step 6: Final answer
    x = 10,341.56

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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.