Home / 12,784.92-19,154.34-10,702.68

Finding the Fourth Proportional to 12,784.92, 19,154.34 and 10,702.68

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Solution

The fourth proportional to 12,784.92, 19,154.34 and 10,702.68 is: 16,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784.92 : 19,154.34 = 10,702.68 : x
  2. Step 2: Convert to fraction form
    12,784.92/19,154.34 = 10,702.68/x
  3. Step 3: Cross multiply
    12,784.92x = 19,154.34 × 10,702.68
  4. Step 4: Simplify right side
    12,784.92x = 205,002,771.63
  5. Step 5: Solve for x
    x = 205,002,771.63/12,784.92
  6. Step 6: Final answer
    x = 16,034.73

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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.