Home / 16,945.76-23,360.40-11,894.72

Finding the Fourth Proportional to 16,945.76, 23,360.40 and 11,894.72

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Solution

The fourth proportional to 16,945.76, 23,360.40 and 11,894.72 is: 16,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.76 : 23,360.40 = 11,894.72 : x
  2. Step 2: Convert to fraction form
    16,945.76/23,360.40 = 11,894.72/x
  3. Step 3: Cross multiply
    16,945.76x = 23,360.40 × 11,894.72
  4. Step 4: Simplify right side
    16,945.76x = 277,865,417.09
  5. Step 5: Solve for x
    x = 277,865,417.09/16,945.76
  6. Step 6: Final answer
    x = 16,397.34

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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.