Home / 16,861.49-23,268.45-9,307.80

Finding the Fourth Proportional to 16,861.49, 23,268.45 and 9,307.80

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Solution

The fourth proportional to 16,861.49, 23,268.45 and 9,307.80 is: 12,844.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.49 : 23,268.45 = 9,307.80 : x
  2. Step 2: Convert to fraction form
    16,861.49/23,268.45 = 9,307.80/x
  3. Step 3: Cross multiply
    16,861.49x = 23,268.45 × 9,307.80
  4. Step 4: Simplify right side
    16,861.49x = 216,578,078.91
  5. Step 5: Solve for x
    x = 216,578,078.91/16,861.49
  6. Step 6: Final answer
    x = 12,844.54

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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.