Home / 10,239.56-14,096.46-9,769.36

Finding the Fourth Proportional to 10,239.56, 14,096.46 and 9,769.36

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Solution

The fourth proportional to 10,239.56, 14,096.46 and 9,769.36 is: 13,449.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.56 : 14,096.46 = 9,769.36 : x
  2. Step 2: Convert to fraction form
    10,239.56/14,096.46 = 9,769.36/x
  3. Step 3: Cross multiply
    10,239.56x = 14,096.46 × 9,769.36
  4. Step 4: Simplify right side
    10,239.56x = 137,713,392.47
  5. Step 5: Solve for x
    x = 137,713,392.47/10,239.56
  6. Step 6: Final answer
    x = 13,449.15

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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.