Home / 14,140.54-21,218.78-13,025.17

Finding the Fourth Proportional to 14,140.54, 21,218.78 and 13,025.17

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Solution

The fourth proportional to 14,140.54, 21,218.78 and 13,025.17 is: 19,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.54 : 21,218.78 = 13,025.17 : x
  2. Step 2: Convert to fraction form
    14,140.54/21,218.78 = 13,025.17/x
  3. Step 3: Cross multiply
    14,140.54x = 21,218.78 × 13,025.17
  4. Step 4: Simplify right side
    14,140.54x = 276,378,216.69
  5. Step 5: Solve for x
    x = 276,378,216.69/14,140.54
  6. Step 6: Final answer
    x = 19,545.10

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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.