Home / 14,664.38-20,217.81-9,349.97

Finding the Fourth Proportional to 14,664.38, 20,217.81 and 9,349.97

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Solution

The fourth proportional to 14,664.38, 20,217.81 and 9,349.97 is: 12,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,664.38 : 20,217.81 = 9,349.97 : x
  2. Step 2: Convert to fraction form
    14,664.38/20,217.81 = 9,349.97/x
  3. Step 3: Cross multiply
    14,664.38x = 20,217.81 × 9,349.97
  4. Step 4: Simplify right side
    14,664.38x = 189,035,916.97
  5. Step 5: Solve for x
    x = 189,035,916.97/14,664.38
  6. Step 6: Final answer
    x = 12,890.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.