Home / 17,987.16-26,980.80-6,300.36

Finding the Fourth Proportional to 17,987.16, 26,980.80 and 6,300.36

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Solution

The fourth proportional to 17,987.16, 26,980.80 and 6,300.36 is: 9,450.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,987.16 : 26,980.80 = 6,300.36 : x
  2. Step 2: Convert to fraction form
    17,987.16/26,980.80 = 6,300.36/x
  3. Step 3: Cross multiply
    17,987.16x = 26,980.80 × 6,300.36
  4. Step 4: Simplify right side
    17,987.16x = 169,988,753.09
  5. Step 5: Solve for x
    x = 169,988,753.09/17,987.16
  6. Step 6: Final answer
    x = 9,450.56

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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.