Home / 16,000.90-22,093.05-9,721.70

Finding the Fourth Proportional to 16,000.90, 22,093.05 and 9,721.70

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Solution

The fourth proportional to 16,000.90, 22,093.05 and 9,721.70 is: 13,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,000.90 : 22,093.05 = 9,721.70 : x
  2. Step 2: Convert to fraction form
    16,000.90/22,093.05 = 9,721.70/x
  3. Step 3: Cross multiply
    16,000.90x = 22,093.05 × 9,721.70
  4. Step 4: Simplify right side
    16,000.90x = 214,782,004.19
  5. Step 5: Solve for x
    x = 214,782,004.19/16,000.90
  6. Step 6: Final answer
    x = 13,423.12

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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.