Home / 10,630.81-15,944.97-2,840.23

Finding the Fourth Proportional to 10,630.81, 15,944.97 and 2,840.23

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Solution

The fourth proportional to 10,630.81, 15,944.97 and 2,840.23 is: 4,260.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.81 : 15,944.97 = 2,840.23 : x
  2. Step 2: Convert to fraction form
    10,630.81/15,944.97 = 2,840.23/x
  3. Step 3: Cross multiply
    10,630.81x = 15,944.97 × 2,840.23
  4. Step 4: Simplify right side
    10,630.81x = 45,287,382.14
  5. Step 5: Solve for x
    x = 45,287,382.14/10,630.81
  6. Step 6: Final answer
    x = 4,260.01

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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.