Home / 10,513.26-15,772.16-3,118.23

Finding the Fourth Proportional to 10,513.26, 15,772.16 and 3,118.23

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Solution

The fourth proportional to 10,513.26, 15,772.16 and 3,118.23 is: 4,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.26 : 15,772.16 = 3,118.23 : x
  2. Step 2: Convert to fraction form
    10,513.26/15,772.16 = 3,118.23/x
  3. Step 3: Cross multiply
    10,513.26x = 15,772.16 × 3,118.23
  4. Step 4: Simplify right side
    10,513.26x = 49,181,246.32
  5. Step 5: Solve for x
    x = 49,181,246.32/10,513.26
  6. Step 6: Final answer
    x = 4,678.02

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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.