Home / 9,173.43-13,690.83-8,287.70

Finding the Fourth Proportional to 9,173.43, 13,690.83 and 8,287.70

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Solution

The fourth proportional to 9,173.43, 13,690.83 and 8,287.70 is: 12,368.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.43 : 13,690.83 = 8,287.70 : x
  2. Step 2: Convert to fraction form
    9,173.43/13,690.83 = 8,287.70/x
  3. Step 3: Cross multiply
    9,173.43x = 13,690.83 × 8,287.70
  4. Step 4: Simplify right side
    9,173.43x = 113,465,423.34
  5. Step 5: Solve for x
    x = 113,465,423.34/9,173.43
  6. Step 6: Final answer
    x = 12,368.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.