Home / 10,019.64-15,028.13-4,471.70

Finding the Fourth Proportional to 10,019.64, 15,028.13 and 4,471.70

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Solution

The fourth proportional to 10,019.64, 15,028.13 and 4,471.70 is: 6,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.64 : 15,028.13 = 4,471.70 : x
  2. Step 2: Convert to fraction form
    10,019.64/15,028.13 = 4,471.70/x
  3. Step 3: Cross multiply
    10,019.64x = 15,028.13 × 4,471.70
  4. Step 4: Simplify right side
    10,019.64x = 67,201,288.92
  5. Step 5: Solve for x
    x = 67,201,288.92/10,019.64
  6. Step 6: Final answer
    x = 6,706.96

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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.