Home / 14,743.15-20,345.35-8,369.69

Finding the Fourth Proportional to 14,743.15, 20,345.35 and 8,369.69

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Solution

The fourth proportional to 14,743.15, 20,345.35 and 8,369.69 is: 11,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.15 : 20,345.35 = 8,369.69 : x
  2. Step 2: Convert to fraction form
    14,743.15/20,345.35 = 8,369.69/x
  3. Step 3: Cross multiply
    14,743.15x = 20,345.35 × 8,369.69
  4. Step 4: Simplify right side
    14,743.15x = 170,284,128.87
  5. Step 5: Solve for x
    x = 170,284,128.87/14,743.15
  6. Step 6: Final answer
    x = 11,550.05

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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.