Home / 16,628.49-22,941.63-9,909.54

Finding the Fourth Proportional to 16,628.49, 22,941.63 and 9,909.54

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Solution

The fourth proportional to 16,628.49, 22,941.63 and 9,909.54 is: 13,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,628.49 : 22,941.63 = 9,909.54 : x
  2. Step 2: Convert to fraction form
    16,628.49/22,941.63 = 9,909.54/x
  3. Step 3: Cross multiply
    16,628.49x = 22,941.63 × 9,909.54
  4. Step 4: Simplify right side
    16,628.49x = 227,341,000.15
  5. Step 5: Solve for x
    x = 227,341,000.15/16,628.49
  6. Step 6: Final answer
    x = 13,671.78

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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.