Home / 10,209.03-15,299.28-5,518.93

Finding the Fourth Proportional to 10,209.03, 15,299.28 and 5,518.93

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Solution

The fourth proportional to 10,209.03, 15,299.28 and 5,518.93 is: 8,270.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.03 : 15,299.28 = 5,518.93 : x
  2. Step 2: Convert to fraction form
    10,209.03/15,299.28 = 5,518.93/x
  3. Step 3: Cross multiply
    10,209.03x = 15,299.28 × 5,518.93
  4. Step 4: Simplify right side
    10,209.03x = 84,435,655.37
  5. Step 5: Solve for x
    x = 84,435,655.37/10,209.03
  6. Step 6: Final answer
    x = 8,270.68

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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.