Home / 9,611.58-14,419.81-2,686.08

Finding the Fourth Proportional to 9,611.58, 14,419.81 and 2,686.08

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Solution

The fourth proportional to 9,611.58, 14,419.81 and 2,686.08 is: 4,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,611.58 : 14,419.81 = 2,686.08 : x
  2. Step 2: Convert to fraction form
    9,611.58/14,419.81 = 2,686.08/x
  3. Step 3: Cross multiply
    9,611.58x = 14,419.81 × 2,686.08
  4. Step 4: Simplify right side
    9,611.58x = 38,732,724.46
  5. Step 5: Solve for x
    x = 38,732,724.46/9,611.58
  6. Step 6: Final answer
    x = 4,029.80

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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.