Home / 14,743.24-20,345.81-8,369.66

Finding the Fourth Proportional to 14,743.24, 20,345.81 and 8,369.66

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Solution

The fourth proportional to 14,743.24, 20,345.81 and 8,369.66 is: 11,550.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,743.24 : 20,345.81 = 8,369.66 : x
  2. Step 2: Convert to fraction form
    14,743.24/20,345.81 = 8,369.66/x
  3. Step 3: Cross multiply
    14,743.24x = 20,345.81 × 8,369.66
  4. Step 4: Simplify right side
    14,743.24x = 170,287,521.14
  5. Step 5: Solve for x
    x = 170,287,521.14/14,743.24
  6. Step 6: Final answer
    x = 11,550.21

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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.