Home / 12,246-16,899.84-6,657.36

Finding the Fourth Proportional to 12,246, 16,899.84 and 6,657.36

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Solution

The fourth proportional to 12,246, 16,899.84 and 6,657.36 is: 9,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246 : 16,899.84 = 6,657.36 : x
  2. Step 2: Convert to fraction form
    12,246/16,899.84 = 6,657.36/x
  3. Step 3: Cross multiply
    12,246x = 16,899.84 × 6,657.36
  4. Step 4: Simplify right side
    12,246x = 112,508,318.82
  5. Step 5: Solve for x
    x = 112,508,318.82/12,246
  6. Step 6: Final answer
    x = 9,187.35

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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.