Home / 11,167.63-15,411.28-6,131.72

Finding the Fourth Proportional to 11,167.63, 15,411.28 and 6,131.72

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Solution

The fourth proportional to 11,167.63, 15,411.28 and 6,131.72 is: 8,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.63 : 15,411.28 = 6,131.72 : x
  2. Step 2: Convert to fraction form
    11,167.63/15,411.28 = 6,131.72/x
  3. Step 3: Cross multiply
    11,167.63x = 15,411.28 × 6,131.72
  4. Step 4: Simplify right side
    11,167.63x = 94,497,653.80
  5. Step 5: Solve for x
    x = 94,497,653.80/11,167.63
  6. Step 6: Final answer
    x = 8,461.75

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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.