Home / 16,945.07-23,384.26-9,391.53

Finding the Fourth Proportional to 16,945.07, 23,384.26 and 9,391.53

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Solution

The fourth proportional to 16,945.07, 23,384.26 and 9,391.53 is: 12,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.07 : 23,384.26 = 9,391.53 : x
  2. Step 2: Convert to fraction form
    16,945.07/23,384.26 = 9,391.53/x
  3. Step 3: Cross multiply
    16,945.07x = 23,384.26 × 9,391.53
  4. Step 4: Simplify right side
    16,945.07x = 219,613,979.32
  5. Step 5: Solve for x
    x = 219,613,979.32/16,945.07
  6. Step 6: Final answer
    x = 12,960.35

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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.