Home / 11,717.04-16,167.60-6,681.38

Finding the Fourth Proportional to 11,717.04, 16,167.60 and 6,681.38

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Solution

The fourth proportional to 11,717.04, 16,167.60 and 6,681.38 is: 9,219.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.04 : 16,167.60 = 6,681.38 : x
  2. Step 2: Convert to fraction form
    11,717.04/16,167.60 = 6,681.38/x
  3. Step 3: Cross multiply
    11,717.04x = 16,167.60 × 6,681.38
  4. Step 4: Simplify right side
    11,717.04x = 108,021,798.45
  5. Step 5: Solve for x
    x = 108,021,798.45/11,717.04
  6. Step 6: Final answer
    x = 9,219.21

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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.