Home / 13,966.92-19,274.10-7,678.86

Finding the Fourth Proportional to 13,966.92, 19,274.10 and 7,678.86

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Solution

The fourth proportional to 13,966.92, 19,274.10 and 7,678.86 is: 10,596.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.92 : 19,274.10 = 7,678.86 : x
  2. Step 2: Convert to fraction form
    13,966.92/19,274.10 = 7,678.86/x
  3. Step 3: Cross multiply
    13,966.92x = 19,274.10 × 7,678.86
  4. Step 4: Simplify right side
    13,966.92x = 148,003,115.53
  5. Step 5: Solve for x
    x = 148,003,115.53/13,966.92
  6. Step 6: Final answer
    x = 10,596.69

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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.