Home / 14,158.92-21,213-11,804.52

Finding the Fourth Proportional to 14,158.92, 21,213 and 11,804.52

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Solution

The fourth proportional to 14,158.92, 21,213 and 11,804.52 is: 17,685.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,158.92 : 21,213 = 11,804.52 : x
  2. Step 2: Convert to fraction form
    14,158.92/21,213 = 11,804.52/x
  3. Step 3: Cross multiply
    14,158.92x = 21,213 × 11,804.52
  4. Step 4: Simplify right side
    14,158.92x = 250,409,282.76
  5. Step 5: Solve for x
    x = 250,409,282.76/14,158.92
  6. Step 6: Final answer
    x = 17,685.62

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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.