Home / 10,877.14-16,316.79-3,479.74

Finding the Fourth Proportional to 10,877.14, 16,316.79 and 3,479.74

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Solution

The fourth proportional to 10,877.14, 16,316.79 and 3,479.74 is: 5,219.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.14 : 16,316.79 = 3,479.74 : x
  2. Step 2: Convert to fraction form
    10,877.14/16,316.79 = 3,479.74/x
  3. Step 3: Cross multiply
    10,877.14x = 16,316.79 × 3,479.74
  4. Step 4: Simplify right side
    10,877.14x = 56,778,186.83
  5. Step 5: Solve for x
    x = 56,778,186.83/10,877.14
  6. Step 6: Final answer
    x = 5,219.96

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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.