Home / 16,913.80-25,298.70-15,171.40

Finding the Fourth Proportional to 16,913.80, 25,298.70 and 15,171.40

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Solution

The fourth proportional to 16,913.80, 25,298.70 and 15,171.40 is: 22,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.80 : 25,298.70 = 15,171.40 : x
  2. Step 2: Convert to fraction form
    16,913.80/25,298.70 = 15,171.40/x
  3. Step 3: Cross multiply
    16,913.80x = 25,298.70 × 15,171.40
  4. Step 4: Simplify right side
    16,913.80x = 383,816,697.18
  5. Step 5: Solve for x
    x = 383,816,697.18/16,913.80
  6. Step 6: Final answer
    x = 22,692.52

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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.