Home / 10,976.24-15,145.80-6,260.24

Finding the Fourth Proportional to 10,976.24, 15,145.80 and 6,260.24

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Solution

The fourth proportional to 10,976.24, 15,145.80 and 6,260.24 is: 8,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.24 : 15,145.80 = 6,260.24 : x
  2. Step 2: Convert to fraction form
    10,976.24/15,145.80 = 6,260.24/x
  3. Step 3: Cross multiply
    10,976.24x = 15,145.80 × 6,260.24
  4. Step 4: Simplify right side
    10,976.24x = 94,816,342.99
  5. Step 5: Solve for x
    x = 94,816,342.99/10,976.24
  6. Step 6: Final answer
    x = 8,638.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.