Home / 16,845.80-25,277.81-8,535.20

Finding the Fourth Proportional to 16,845.80, 25,277.81 and 8,535.20

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Solution

The fourth proportional to 16,845.80, 25,277.81 and 8,535.20 is: 12,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.80 : 25,277.81 = 8,535.20 : x
  2. Step 2: Convert to fraction form
    16,845.80/25,277.81 = 8,535.20/x
  3. Step 3: Cross multiply
    16,845.80x = 25,277.81 × 8,535.20
  4. Step 4: Simplify right side
    16,845.80x = 215,750,994.85
  5. Step 5: Solve for x
    x = 215,750,994.85/16,845.80
  6. Step 6: Final answer
    x = 12,807.41

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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.