Home / 10,877.80-16,316.70-3,951.40

Finding the Fourth Proportional to 10,877.80, 16,316.70 and 3,951.40

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Solution

The fourth proportional to 10,877.80, 16,316.70 and 3,951.40 is: 5,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.80 : 16,316.70 = 3,951.40 : x
  2. Step 2: Convert to fraction form
    10,877.80/16,316.70 = 3,951.40/x
  3. Step 3: Cross multiply
    10,877.80x = 16,316.70 × 3,951.40
  4. Step 4: Simplify right side
    10,877.80x = 64,473,808.38
  5. Step 5: Solve for x
    x = 64,473,808.38/10,877.80
  6. Step 6: Final answer
    x = 5,927.10

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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.