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Finding the Fourth Proportional to 16,657.79, 22,983.95 and 9,945.59

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Solution

The fourth proportional to 16,657.79, 22,983.95 and 9,945.59 is: 13,722.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,657.79 : 22,983.95 = 9,945.59 : x
  2. Step 2: Convert to fraction form
    16,657.79/22,983.95 = 9,945.59/x
  3. Step 3: Cross multiply
    16,657.79x = 22,983.95 × 9,945.59
  4. Step 4: Simplify right side
    16,657.79x = 228,588,853.22
  5. Step 5: Solve for x
    x = 228,588,853.22/16,657.79
  6. Step 6: Final answer
    x = 13,722.64

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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.