Home / 11,646.98-16,072.28-6,341.78

Finding the Fourth Proportional to 11,646.98, 16,072.28 and 6,341.78

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Solution

The fourth proportional to 11,646.98, 16,072.28 and 6,341.78 is: 8,751.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,646.98 : 16,072.28 = 6,341.78 : x
  2. Step 2: Convert to fraction form
    11,646.98/16,072.28 = 6,341.78/x
  3. Step 3: Cross multiply
    11,646.98x = 16,072.28 × 6,341.78
  4. Step 4: Simplify right side
    11,646.98x = 101,926,751.79
  5. Step 5: Solve for x
    x = 101,926,751.79/11,646.98
  6. Step 6: Final answer
    x = 8,751.35

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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.