Home / 16,074.83-22,179.67-9,702.45

Finding the Fourth Proportional to 16,074.83, 22,179.67 and 9,702.45

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Solution

The fourth proportional to 16,074.83, 22,179.67 and 9,702.45 is: 13,387.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,074.83 : 22,179.67 = 9,702.45 : x
  2. Step 2: Convert to fraction form
    16,074.83/22,179.67 = 9,702.45/x
  3. Step 3: Cross multiply
    16,074.83x = 22,179.67 × 9,702.45
  4. Step 4: Simplify right side
    16,074.83x = 215,197,090.68
  5. Step 5: Solve for x
    x = 215,197,090.68/16,074.83
  6. Step 6: Final answer
    x = 13,387.21

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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.