Home / 10,511.68-15,767.44-3,116.16

Finding the Fourth Proportional to 10,511.68, 15,767.44 and 3,116.16

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Solution

The fourth proportional to 10,511.68, 15,767.44 and 3,116.16 is: 4,674.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.68 : 15,767.44 = 3,116.16 : x
  2. Step 2: Convert to fraction form
    10,511.68/15,767.44 = 3,116.16/x
  3. Step 3: Cross multiply
    10,511.68x = 15,767.44 × 3,116.16
  4. Step 4: Simplify right side
    10,511.68x = 49,133,865.83
  5. Step 5: Solve for x
    x = 49,133,865.83/10,511.68
  6. Step 6: Final answer
    x = 4,674.22

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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.