Home / 16,415.12-22,645.64-11,108.08

Finding the Fourth Proportional to 16,415.12, 22,645.64 and 11,108.08

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Solution

The fourth proportional to 16,415.12, 22,645.64 and 11,108.08 is: 15,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.12 : 22,645.64 = 11,108.08 : x
  2. Step 2: Convert to fraction form
    16,415.12/22,645.64 = 11,108.08/x
  3. Step 3: Cross multiply
    16,415.12x = 22,645.64 × 11,108.08
  4. Step 4: Simplify right side
    16,415.12x = 251,549,580.77
  5. Step 5: Solve for x
    x = 251,549,580.77/16,415.12
  6. Step 6: Final answer
    x = 15,324.26

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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.