Home / 16,223.09-22,390.01-9,511.35

Finding the Fourth Proportional to 16,223.09, 22,390.01 and 9,511.35

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Solution

The fourth proportional to 16,223.09, 22,390.01 and 9,511.35 is: 13,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,223.09 : 22,390.01 = 9,511.35 : x
  2. Step 2: Convert to fraction form
    16,223.09/22,390.01 = 9,511.35/x
  3. Step 3: Cross multiply
    16,223.09x = 22,390.01 × 9,511.35
  4. Step 4: Simplify right side
    16,223.09x = 212,959,221.61
  5. Step 5: Solve for x
    x = 212,959,221.61/16,223.09
  6. Step 6: Final answer
    x = 13,126.92

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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.