Home / 10,877.87-16,308.54-5,607.20

Finding the Fourth Proportional to 10,877.87, 16,308.54 and 5,607.20

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Solution

The fourth proportional to 10,877.87, 16,308.54 and 5,607.20 is: 8,406.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.87 : 16,308.54 = 5,607.20 : x
  2. Step 2: Convert to fraction form
    10,877.87/16,308.54 = 5,607.20/x
  3. Step 3: Cross multiply
    10,877.87x = 16,308.54 × 5,607.20
  4. Step 4: Simplify right side
    10,877.87x = 91,445,163.95
  5. Step 5: Solve for x
    x = 91,445,163.95/10,877.87
  6. Step 6: Final answer
    x = 8,406.54

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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.