Home / 14,064.44-21,086.33-6,660.23

Finding the Fourth Proportional to 14,064.44, 21,086.33 and 6,660.23

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Solution

The fourth proportional to 14,064.44, 21,086.33 and 6,660.23 is: 9,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.44 : 21,086.33 = 6,660.23 : x
  2. Step 2: Convert to fraction form
    14,064.44/21,086.33 = 6,660.23/x
  3. Step 3: Cross multiply
    14,064.44x = 21,086.33 × 6,660.23
  4. Step 4: Simplify right side
    14,064.44x = 140,439,668.92
  5. Step 5: Solve for x
    x = 140,439,668.92/14,064.44
  6. Step 6: Final answer
    x = 9,985.45

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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.