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Finding the Fourth Proportional to 18,041.55, 27,027.90 and 9,718.80

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Solution

The fourth proportional to 18,041.55, 27,027.90 and 9,718.80 is: 14,559.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,041.55 : 27,027.90 = 9,718.80 : x
  2. Step 2: Convert to fraction form
    18,041.55/27,027.90 = 9,718.80/x
  3. Step 3: Cross multiply
    18,041.55x = 27,027.90 × 9,718.80
  4. Step 4: Simplify right side
    18,041.55x = 262,678,754.52
  5. Step 5: Solve for x
    x = 262,678,754.52/18,041.55
  6. Step 6: Final answer
    x = 14,559.66

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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.