Home / 10,168.85-15,250.04-5,237.84

Finding the Fourth Proportional to 10,168.85, 15,250.04 and 5,237.84

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Solution

The fourth proportional to 10,168.85, 15,250.04 and 5,237.84 is: 7,855.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.85 : 15,250.04 = 5,237.84 : x
  2. Step 2: Convert to fraction form
    10,168.85/15,250.04 = 5,237.84/x
  3. Step 3: Cross multiply
    10,168.85x = 15,250.04 × 5,237.84
  4. Step 4: Simplify right side
    10,168.85x = 79,877,243.32
  5. Step 5: Solve for x
    x = 79,877,243.32/10,168.85
  6. Step 6: Final answer
    x = 7,855.09

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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.