Home / 14,039.41-21,065.70-6,140.92

Finding the Fourth Proportional to 14,039.41, 21,065.70 and 6,140.92

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Solution

The fourth proportional to 14,039.41, 21,065.70 and 6,140.92 is: 9,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.41 : 21,065.70 = 6,140.92 : x
  2. Step 2: Convert to fraction form
    14,039.41/21,065.70 = 6,140.92/x
  3. Step 3: Cross multiply
    14,039.41x = 21,065.70 × 6,140.92
  4. Step 4: Simplify right side
    14,039.41x = 129,362,778.44
  5. Step 5: Solve for x
    x = 129,362,778.44/14,039.41
  6. Step 6: Final answer
    x = 9,214.26

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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.