Home / 9,914.06-14,857.16-7,127.66

Finding the Fourth Proportional to 9,914.06, 14,857.16 and 7,127.66

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Solution

The fourth proportional to 9,914.06, 14,857.16 and 7,127.66 is: 10,681.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,914.06 : 14,857.16 = 7,127.66 : x
  2. Step 2: Convert to fraction form
    9,914.06/14,857.16 = 7,127.66/x
  3. Step 3: Cross multiply
    9,914.06x = 14,857.16 × 7,127.66
  4. Step 4: Simplify right side
    9,914.06x = 105,896,786.55
  5. Step 5: Solve for x
    x = 105,896,786.55/9,914.06
  6. Step 6: Final answer
    x = 10,681.47

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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.