Home / 9,421.87-14,133.11-4,739.32

Finding the Fourth Proportional to 9,421.87, 14,133.11 and 4,739.32

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Solution

The fourth proportional to 9,421.87, 14,133.11 and 4,739.32 is: 7,109.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.87 : 14,133.11 = 4,739.32 : x
  2. Step 2: Convert to fraction form
    9,421.87/14,133.11 = 4,739.32/x
  3. Step 3: Cross multiply
    9,421.87x = 14,133.11 × 4,739.32
  4. Step 4: Simplify right side
    9,421.87x = 66,981,324.85
  5. Step 5: Solve for x
    x = 66,981,324.85/9,421.87
  6. Step 6: Final answer
    x = 7,109.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.