Home / 18,139.21-27,212.30-6,292.53

Finding the Fourth Proportional to 18,139.21, 27,212.30 and 6,292.53

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Solution

The fourth proportional to 18,139.21, 27,212.30 and 6,292.53 is: 9,440.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.21 : 27,212.30 = 6,292.53 : x
  2. Step 2: Convert to fraction form
    18,139.21/27,212.30 = 6,292.53/x
  3. Step 3: Cross multiply
    18,139.21x = 27,212.30 × 6,292.53
  4. Step 4: Simplify right side
    18,139.21x = 171,234,214.12
  5. Step 5: Solve for x
    x = 171,234,214.12/18,139.21
  6. Step 6: Final answer
    x = 9,440.00

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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.