Home / 10,976.36-15,146.93-6,260.64

Finding the Fourth Proportional to 10,976.36, 15,146.93 and 6,260.64

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Solution

The fourth proportional to 10,976.36, 15,146.93 and 6,260.64 is: 8,639.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.36 : 15,146.93 = 6,260.64 : x
  2. Step 2: Convert to fraction form
    10,976.36/15,146.93 = 6,260.64/x
  3. Step 3: Cross multiply
    10,976.36x = 15,146.93 × 6,260.64
  4. Step 4: Simplify right side
    10,976.36x = 94,829,444.53
  5. Step 5: Solve for x
    x = 94,829,444.53/10,976.36
  6. Step 6: Final answer
    x = 8,639.43

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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.