Home / 18,143.18-27,225.67-7,754.93

Finding the Fourth Proportional to 18,143.18, 27,225.67 and 7,754.93

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Solution

The fourth proportional to 18,143.18, 27,225.67 and 7,754.93 is: 11,637.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,143.18 : 27,225.67 = 7,754.93 : x
  2. Step 2: Convert to fraction form
    18,143.18/27,225.67 = 7,754.93/x
  3. Step 3: Cross multiply
    18,143.18x = 27,225.67 × 7,754.93
  4. Step 4: Simplify right side
    18,143.18x = 211,133,165.05
  5. Step 5: Solve for x
    x = 211,133,165.05/18,143.18
  6. Step 6: Final answer
    x = 11,637.05

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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.