Home / 16,115.35-22,239.07-9,041.75

Finding the Fourth Proportional to 16,115.35, 22,239.07 and 9,041.75

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Solution

The fourth proportional to 16,115.35, 22,239.07 and 9,041.75 is: 12,477.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.35 : 22,239.07 = 9,041.75 : x
  2. Step 2: Convert to fraction form
    16,115.35/22,239.07 = 9,041.75/x
  3. Step 3: Cross multiply
    16,115.35x = 22,239.07 × 9,041.75
  4. Step 4: Simplify right side
    16,115.35x = 201,080,111.17
  5. Step 5: Solve for x
    x = 201,080,111.17/16,115.35
  6. Step 6: Final answer
    x = 12,477.55

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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.