Home / 14,299.81-21,448.68-4,812.19

Finding the Fourth Proportional to 14,299.81, 21,448.68 and 4,812.19

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Solution

The fourth proportional to 14,299.81, 21,448.68 and 4,812.19 is: 7,217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.81 : 21,448.68 = 4,812.19 : x
  2. Step 2: Convert to fraction form
    14,299.81/21,448.68 = 4,812.19/x
  3. Step 3: Cross multiply
    14,299.81x = 21,448.68 × 4,812.19
  4. Step 4: Simplify right side
    14,299.81x = 103,215,123.41
  5. Step 5: Solve for x
    x = 103,215,123.41/14,299.81
  6. Step 6: Final answer
    x = 7,217.94

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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.