Home / 13,363.26-18,434.81-8,827.72

Finding the Fourth Proportional to 13,363.26, 18,434.81 and 8,827.72

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Solution

The fourth proportional to 13,363.26, 18,434.81 and 8,827.72 is: 12,177.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.26 : 18,434.81 = 8,827.72 : x
  2. Step 2: Convert to fraction form
    13,363.26/18,434.81 = 8,827.72/x
  3. Step 3: Cross multiply
    13,363.26x = 18,434.81 × 8,827.72
  4. Step 4: Simplify right side
    13,363.26x = 162,737,204.62
  5. Step 5: Solve for x
    x = 162,737,204.62/13,363.26
  6. Step 6: Final answer
    x = 12,177.95

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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.