Home / 10,342.93-14,287.66-9,958.88

Finding the Fourth Proportional to 10,342.93, 14,287.66 and 9,958.88

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Solution

The fourth proportional to 10,342.93, 14,287.66 and 9,958.88 is: 13,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.93 : 14,287.66 = 9,958.88 : x
  2. Step 2: Convert to fraction form
    10,342.93/14,287.66 = 9,958.88/x
  3. Step 3: Cross multiply
    10,342.93x = 14,287.66 × 9,958.88
  4. Step 4: Simplify right side
    10,342.93x = 142,289,102.24
  5. Step 5: Solve for x
    x = 142,289,102.24/10,342.93
  6. Step 6: Final answer
    x = 13,757.13

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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.