Home / 11,701.71-16,148.61-6,397.02

Finding the Fourth Proportional to 11,701.71, 16,148.61 and 6,397.02

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Solution

The fourth proportional to 11,701.71, 16,148.61 and 6,397.02 is: 8,828.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,701.71 : 16,148.61 = 6,397.02 : x
  2. Step 2: Convert to fraction form
    11,701.71/16,148.61 = 6,397.02/x
  3. Step 3: Cross multiply
    11,701.71x = 16,148.61 × 6,397.02
  4. Step 4: Simplify right side
    11,701.71x = 103,302,981.14
  5. Step 5: Solve for x
    x = 103,302,981.14/11,701.71
  6. Step 6: Final answer
    x = 8,828.02

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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.