Home / 16,074.09-22,182.71-9,000.45

Finding the Fourth Proportional to 16,074.09, 22,182.71 and 9,000.45

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Solution

The fourth proportional to 16,074.09, 22,182.71 and 9,000.45 is: 12,420.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,074.09 : 22,182.71 = 9,000.45 : x
  2. Step 2: Convert to fraction form
    16,074.09/22,182.71 = 9,000.45/x
  3. Step 3: Cross multiply
    16,074.09x = 22,182.71 × 9,000.45
  4. Step 4: Simplify right side
    16,074.09x = 199,654,327.22
  5. Step 5: Solve for x
    x = 199,654,327.22/16,074.09
  6. Step 6: Final answer
    x = 12,420.88

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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.