Home / 10,877.40-16,316.10-10,272.60

Finding the Fourth Proportional to 10,877.40, 16,316.10 and 10,272.60

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Solution

The fourth proportional to 10,877.40, 16,316.10 and 10,272.60 is: 15,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.40 : 16,316.10 = 10,272.60 : x
  2. Step 2: Convert to fraction form
    10,877.40/16,316.10 = 10,272.60/x
  3. Step 3: Cross multiply
    10,877.40x = 16,316.10 × 10,272.60
  4. Step 4: Simplify right side
    10,877.40x = 167,608,768.86
  5. Step 5: Solve for x
    x = 167,608,768.86/10,877.40
  6. Step 6: Final answer
    x = 15,408.90

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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.