Home / 18,018.66-27,026.98-4,870.07

Finding the Fourth Proportional to 18,018.66, 27,026.98 and 4,870.07

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Solution

The fourth proportional to 18,018.66, 27,026.98 and 4,870.07 is: 7,304.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.66 : 27,026.98 = 4,870.07 : x
  2. Step 2: Convert to fraction form
    18,018.66/27,026.98 = 4,870.07/x
  3. Step 3: Cross multiply
    18,018.66x = 27,026.98 × 4,870.07
  4. Step 4: Simplify right side
    18,018.66x = 131,623,137.18
  5. Step 5: Solve for x
    x = 131,623,137.18/18,018.66
  6. Step 6: Final answer
    x = 7,304.82

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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.