Home / 10,019.43-15,029.55-4,471.74

Finding the Fourth Proportional to 10,019.43, 15,029.55 and 4,471.74

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Solution

The fourth proportional to 10,019.43, 15,029.55 and 4,471.74 is: 6,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.43 : 15,029.55 = 4,471.74 : x
  2. Step 2: Convert to fraction form
    10,019.43/15,029.55 = 4,471.74/x
  3. Step 3: Cross multiply
    10,019.43x = 15,029.55 × 4,471.74
  4. Step 4: Simplify right side
    10,019.43x = 67,208,239.92
  5. Step 5: Solve for x
    x = 67,208,239.92/10,019.43
  6. Step 6: Final answer
    x = 6,707.79

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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.