Home / 14,318.47-21,488.11-10,812.81

Finding the Fourth Proportional to 14,318.47, 21,488.11 and 10,812.81

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Solution

The fourth proportional to 14,318.47, 21,488.11 and 10,812.81 is: 16,227.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.47 : 21,488.11 = 10,812.81 : x
  2. Step 2: Convert to fraction form
    14,318.47/21,488.11 = 10,812.81/x
  3. Step 3: Cross multiply
    14,318.47x = 21,488.11 × 10,812.81
  4. Step 4: Simplify right side
    14,318.47x = 232,346,850.69
  5. Step 5: Solve for x
    x = 232,346,850.69/14,318.47
  6. Step 6: Final answer
    x = 16,227.07

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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.