Home / 16,290.90-22,485.90-15,182.82

Finding the Fourth Proportional to 16,290.90, 22,485.90 and 15,182.82

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Solution

The fourth proportional to 16,290.90, 22,485.90 and 15,182.82 is: 20,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.90 : 22,485.90 = 15,182.82 : x
  2. Step 2: Convert to fraction form
    16,290.90/22,485.90 = 15,182.82/x
  3. Step 3: Cross multiply
    16,290.90x = 22,485.90 × 15,182.82
  4. Step 4: Simplify right side
    16,290.90x = 341,399,372.24
  5. Step 5: Solve for x
    x = 341,399,372.24/16,290.90
  6. Step 6: Final answer
    x = 20,956.45

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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.