Home / 9,686.66-14,526.74-3,111.28

Finding the Fourth Proportional to 9,686.66, 14,526.74 and 3,111.28

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Solution

The fourth proportional to 9,686.66, 14,526.74 and 3,111.28 is: 4,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.66 : 14,526.74 = 3,111.28 : x
  2. Step 2: Convert to fraction form
    9,686.66/14,526.74 = 3,111.28/x
  3. Step 3: Cross multiply
    9,686.66x = 14,526.74 × 3,111.28
  4. Step 4: Simplify right side
    9,686.66x = 45,196,727.09
  5. Step 5: Solve for x
    x = 45,196,727.09/9,686.66
  6. Step 6: Final answer
    x = 4,665.88

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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.