Home / 14,428.96-21,606.06-12,362.20

Finding the Fourth Proportional to 14,428.96, 21,606.06 and 12,362.20

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Solution

The fourth proportional to 14,428.96, 21,606.06 and 12,362.20 is: 18,511.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.96 : 21,606.06 = 12,362.20 : x
  2. Step 2: Convert to fraction form
    14,428.96/21,606.06 = 12,362.20/x
  3. Step 3: Cross multiply
    14,428.96x = 21,606.06 × 12,362.20
  4. Step 4: Simplify right side
    14,428.96x = 267,098,434.93
  5. Step 5: Solve for x
    x = 267,098,434.93/14,428.96
  6. Step 6: Final answer
    x = 18,511.27

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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.