Home / 16,775.40-25,163.10-6,909.60

Finding the Fourth Proportional to 16,775.40, 25,163.10 and 6,909.60

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Solution

The fourth proportional to 16,775.40, 25,163.10 and 6,909.60 is: 10,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,775.40 : 25,163.10 = 6,909.60 : x
  2. Step 2: Convert to fraction form
    16,775.40/25,163.10 = 6,909.60/x
  3. Step 3: Cross multiply
    16,775.40x = 25,163.10 × 6,909.60
  4. Step 4: Simplify right side
    16,775.40x = 173,866,955.76
  5. Step 5: Solve for x
    x = 173,866,955.76/16,775.40
  6. Step 6: Final answer
    x = 10,364.40

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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.