Home / 16,663.57-22,995.67-9,109.90

Finding the Fourth Proportional to 16,663.57, 22,995.67 and 9,109.90

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Solution

The fourth proportional to 16,663.57, 22,995.67 and 9,109.90 is: 12,571.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,663.57 : 22,995.67 = 9,109.90 : x
  2. Step 2: Convert to fraction form
    16,663.57/22,995.67 = 9,109.90/x
  3. Step 3: Cross multiply
    16,663.57x = 22,995.67 × 9,109.90
  4. Step 4: Simplify right side
    16,663.57x = 209,488,254.13
  5. Step 5: Solve for x
    x = 209,488,254.13/16,663.57
  6. Step 6: Final answer
    x = 12,571.63

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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.