Home / 16,861.60-23,268.68-9,307.49

Finding the Fourth Proportional to 16,861.60, 23,268.68 and 9,307.49

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Solution

The fourth proportional to 16,861.60, 23,268.68 and 9,307.49 is: 12,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.60 : 23,268.68 = 9,307.49 : x
  2. Step 2: Convert to fraction form
    16,861.60/23,268.68 = 9,307.49/x
  3. Step 3: Cross multiply
    16,861.60x = 23,268.68 × 9,307.49
  4. Step 4: Simplify right side
    16,861.60x = 216,573,061.68
  5. Step 5: Solve for x
    x = 216,573,061.68/16,861.60
  6. Step 6: Final answer
    x = 12,844.16

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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.