Home / 13,114.62-18,103.23-9,605.70

Finding the Fourth Proportional to 13,114.62, 18,103.23 and 9,605.70

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Solution

The fourth proportional to 13,114.62, 18,103.23 and 9,605.70 is: 13,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.62 : 18,103.23 = 9,605.70 : x
  2. Step 2: Convert to fraction form
    13,114.62/18,103.23 = 9,605.70/x
  3. Step 3: Cross multiply
    13,114.62x = 18,103.23 × 9,605.70
  4. Step 4: Simplify right side
    13,114.62x = 173,894,196.41
  5. Step 5: Solve for x
    x = 173,894,196.41/13,114.62
  6. Step 6: Final answer
    x = 13,259.57

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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.