Home / 14,516.34-20,032.55-8,228.71

Finding the Fourth Proportional to 14,516.34, 20,032.55 and 8,228.71

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Solution

The fourth proportional to 14,516.34, 20,032.55 and 8,228.71 is: 11,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,516.34 : 20,032.55 = 8,228.71 : x
  2. Step 2: Convert to fraction form
    14,516.34/20,032.55 = 8,228.71/x
  3. Step 3: Cross multiply
    14,516.34x = 20,032.55 × 8,228.71
  4. Step 4: Simplify right side
    14,516.34x = 164,842,044.51
  5. Step 5: Solve for x
    x = 164,842,044.51/14,516.34
  6. Step 6: Final answer
    x = 11,355.62

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Half scale
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Double scale
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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.