Home / 16,218.16-22,388.60-9,502.85

Finding the Fourth Proportional to 16,218.16, 22,388.60 and 9,502.85

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Solution

The fourth proportional to 16,218.16, 22,388.60 and 9,502.85 is: 13,118.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,218.16 : 22,388.60 = 9,502.85 : x
  2. Step 2: Convert to fraction form
    16,218.16/22,388.60 = 9,502.85/x
  3. Step 3: Cross multiply
    16,218.16x = 22,388.60 × 9,502.85
  4. Step 4: Simplify right side
    16,218.16x = 212,755,507.51
  5. Step 5: Solve for x
    x = 212,755,507.51/16,218.16
  6. Step 6: Final answer
    x = 13,118.35

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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.