Home / 10,020.24-15,033.23-3,000.78

Finding the Fourth Proportional to 10,020.24, 15,033.23 and 3,000.78

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Solution

The fourth proportional to 10,020.24, 15,033.23 and 3,000.78 is: 4,502.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.24 : 15,033.23 = 3,000.78 : x
  2. Step 2: Convert to fraction form
    10,020.24/15,033.23 = 3,000.78/x
  3. Step 3: Cross multiply
    10,020.24x = 15,033.23 × 3,000.78
  4. Step 4: Simplify right side
    10,020.24x = 45,111,415.92
  5. Step 5: Solve for x
    x = 45,111,415.92/10,020.24
  6. Step 6: Final answer
    x = 4,502.03

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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.