Home / 10,185.99-15,283.20-5,500.49

Finding the Fourth Proportional to 10,185.99, 15,283.20 and 5,500.49

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Solution

The fourth proportional to 10,185.99, 15,283.20 and 5,500.49 is: 8,253.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.99 : 15,283.20 = 5,500.49 : x
  2. Step 2: Convert to fraction form
    10,185.99/15,283.20 = 5,500.49/x
  3. Step 3: Cross multiply
    10,185.99x = 15,283.20 × 5,500.49
  4. Step 4: Simplify right side
    10,185.99x = 84,065,088.77
  5. Step 5: Solve for x
    x = 84,065,088.77/10,185.99
  6. Step 6: Final answer
    x = 8,253.01

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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.