Home / 13,966.33-20,946.05-8,345.61

Finding the Fourth Proportional to 13,966.33, 20,946.05 and 8,345.61

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Solution

The fourth proportional to 13,966.33, 20,946.05 and 8,345.61 is: 12,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.33 : 20,946.05 = 8,345.61 : x
  2. Step 2: Convert to fraction form
    13,966.33/20,946.05 = 8,345.61/x
  3. Step 3: Cross multiply
    13,966.33x = 20,946.05 × 8,345.61
  4. Step 4: Simplify right side
    13,966.33x = 174,807,506.66
  5. Step 5: Solve for x
    x = 174,807,506.66/13,966.33
  6. Step 6: Final answer
    x = 12,516.35

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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.