Home / 12,695.35-19,044.80-5,298.12

Finding the Fourth Proportional to 12,695.35, 19,044.80 and 5,298.12

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Solution

The fourth proportional to 12,695.35, 19,044.80 and 5,298.12 is: 7,947.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.35 : 19,044.80 = 5,298.12 : x
  2. Step 2: Convert to fraction form
    12,695.35/19,044.80 = 5,298.12/x
  3. Step 3: Cross multiply
    12,695.35x = 19,044.80 × 5,298.12
  4. Step 4: Simplify right side
    12,695.35x = 100,901,590.49
  5. Step 5: Solve for x
    x = 100,901,590.49/12,695.35
  6. Step 6: Final answer
    x = 7,947.92

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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.