Home / 14,020.71-21,037.29-7,355.61

Finding the Fourth Proportional to 14,020.71, 21,037.29 and 7,355.61

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Solution

The fourth proportional to 14,020.71, 21,037.29 and 7,355.61 is: 11,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.71 : 21,037.29 = 7,355.61 : x
  2. Step 2: Convert to fraction form
    14,020.71/21,037.29 = 7,355.61/x
  3. Step 3: Cross multiply
    14,020.71x = 21,037.29 × 7,355.61
  4. Step 4: Simplify right side
    14,020.71x = 154,742,100.70
  5. Step 5: Solve for x
    x = 154,742,100.70/14,020.71
  6. Step 6: Final answer
    x = 11,036.68

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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.