Home / 18,018.61-27,026.27-12,776.11

Finding the Fourth Proportional to 18,018.61, 27,026.27 and 12,776.11

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Solution

The fourth proportional to 18,018.61, 27,026.27 and 12,776.11 is: 19,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.61 : 27,026.27 = 12,776.11 : x
  2. Step 2: Convert to fraction form
    18,018.61/27,026.27 = 12,776.11/x
  3. Step 3: Cross multiply
    18,018.61x = 27,026.27 × 12,776.11
  4. Step 4: Simplify right side
    18,018.61x = 345,290,534.53
  5. Step 5: Solve for x
    x = 345,290,534.53/18,018.61
  6. Step 6: Final answer
    x = 19,163.00

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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.