Home / 10,412.13-15,619.83-4,490.70

Finding the Fourth Proportional to 10,412.13, 15,619.83 and 4,490.70

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Solution

The fourth proportional to 10,412.13, 15,619.83 and 4,490.70 is: 6,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.13 : 15,619.83 = 4,490.70 : x
  2. Step 2: Convert to fraction form
    10,412.13/15,619.83 = 4,490.70/x
  3. Step 3: Cross multiply
    10,412.13x = 15,619.83 × 4,490.70
  4. Step 4: Simplify right side
    10,412.13x = 70,143,970.58
  5. Step 5: Solve for x
    x = 70,143,970.58/10,412.13
  6. Step 6: Final answer
    x = 6,736.76

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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.