Home / 14,113.05-21,140.87-9,167.73

Finding the Fourth Proportional to 14,113.05, 21,140.87 and 9,167.73

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Solution

The fourth proportional to 14,113.05, 21,140.87 and 9,167.73 is: 13,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.05 : 21,140.87 = 9,167.73 : x
  2. Step 2: Convert to fraction form
    14,113.05/21,140.87 = 9,167.73/x
  3. Step 3: Cross multiply
    14,113.05x = 21,140.87 × 9,167.73
  4. Step 4: Simplify right side
    14,113.05x = 193,813,742.29
  5. Step 5: Solve for x
    x = 193,813,742.29/14,113.05
  6. Step 6: Final answer
    x = 13,732.95

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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.