Home / 10,243.06-15,376.86-6,946.15

Finding the Fourth Proportional to 10,243.06, 15,376.86 and 6,946.15

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Solution

The fourth proportional to 10,243.06, 15,376.86 and 6,946.15 is: 10,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.06 : 15,376.86 = 6,946.15 : x
  2. Step 2: Convert to fraction form
    10,243.06/15,376.86 = 6,946.15/x
  3. Step 3: Cross multiply
    10,243.06x = 15,376.86 × 6,946.15
  4. Step 4: Simplify right side
    10,243.06x = 106,809,976.09
  5. Step 5: Solve for x
    x = 106,809,976.09/10,243.06
  6. Step 6: Final answer
    x = 10,427.55

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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.