Home / 14,701.30-20,287.93-7,986.97

Finding the Fourth Proportional to 14,701.30, 20,287.93 and 7,986.97

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Solution

The fourth proportional to 14,701.30, 20,287.93 and 7,986.97 is: 11,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,701.30 : 20,287.93 = 7,986.97 : x
  2. Step 2: Convert to fraction form
    14,701.30/20,287.93 = 7,986.97/x
  3. Step 3: Cross multiply
    14,701.30x = 20,287.93 × 7,986.97
  4. Step 4: Simplify right side
    14,701.30x = 162,039,088.27
  5. Step 5: Solve for x
    x = 162,039,088.27/14,701.30
  6. Step 6: Final answer
    x = 11,022.09

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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.