Home / 14,154.71-21,231.57-3,624.81

Finding the Fourth Proportional to 14,154.71, 21,231.57 and 3,624.81

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Solution

The fourth proportional to 14,154.71, 21,231.57 and 3,624.81 is: 5,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,154.71 : 21,231.57 = 3,624.81 : x
  2. Step 2: Convert to fraction form
    14,154.71/21,231.57 = 3,624.81/x
  3. Step 3: Cross multiply
    14,154.71x = 21,231.57 × 3,624.81
  4. Step 4: Simplify right side
    14,154.71x = 76,960,407.25
  5. Step 5: Solve for x
    x = 76,960,407.25/14,154.71
  6. Step 6: Final answer
    x = 5,437.09

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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.