Home / 18,098.28-27,130.41-9,765.81

Finding the Fourth Proportional to 18,098.28, 27,130.41 and 9,765.81

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Solution

The fourth proportional to 18,098.28, 27,130.41 and 9,765.81 is: 14,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,098.28 : 27,130.41 = 9,765.81 : x
  2. Step 2: Convert to fraction form
    18,098.28/27,130.41 = 9,765.81/x
  3. Step 3: Cross multiply
    18,098.28x = 27,130.41 × 9,765.81
  4. Step 4: Simplify right side
    18,098.28x = 264,950,429.28
  5. Step 5: Solve for x
    x = 264,950,429.28/18,098.28
  6. Step 6: Final answer
    x = 14,639.54

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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.