Home / 18,562.34-27,840.81-5,411.18

Finding the Fourth Proportional to 18,562.34, 27,840.81 and 5,411.18

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Solution

The fourth proportional to 18,562.34, 27,840.81 and 5,411.18 is: 8,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.34 : 27,840.81 = 5,411.18 : x
  2. Step 2: Convert to fraction form
    18,562.34/27,840.81 = 5,411.18/x
  3. Step 3: Cross multiply
    18,562.34x = 27,840.81 × 5,411.18
  4. Step 4: Simplify right side
    18,562.34x = 150,651,634.26
  5. Step 5: Solve for x
    x = 150,651,634.26/18,562.34
  6. Step 6: Final answer
    x = 8,115.98

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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.