Home / 14,626.98-20,178.72-9,319.86

Finding the Fourth Proportional to 14,626.98, 20,178.72 and 9,319.86

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Solution

The fourth proportional to 14,626.98, 20,178.72 and 9,319.86 is: 12,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.98 : 20,178.72 = 9,319.86 : x
  2. Step 2: Convert to fraction form
    14,626.98/20,178.72 = 9,319.86/x
  3. Step 3: Cross multiply
    14,626.98x = 20,178.72 × 9,319.86
  4. Step 4: Simplify right side
    14,626.98x = 188,062,845.38
  5. Step 5: Solve for x
    x = 188,062,845.38/14,626.98
  6. Step 6: Final answer
    x = 12,857.26

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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.