Home / 12,649-18,962.52-6,798.76

Finding the Fourth Proportional to 12,649, 18,962.52 and 6,798.76

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Solution

The fourth proportional to 12,649, 18,962.52 and 6,798.76 is: 10,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649 : 18,962.52 = 6,798.76 : x
  2. Step 2: Convert to fraction form
    12,649/18,962.52 = 6,798.76/x
  3. Step 3: Cross multiply
    12,649x = 18,962.52 × 6,798.76
  4. Step 4: Simplify right side
    12,649x = 128,921,622.48
  5. Step 5: Solve for x
    x = 128,921,622.48/12,649
  6. Step 6: Final answer
    x = 10,192.24

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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.