Home / 14,040.53-21,064.67-6,141.61

Finding the Fourth Proportional to 14,040.53, 21,064.67 and 6,141.61

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Solution

The fourth proportional to 14,040.53, 21,064.67 and 6,141.61 is: 9,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,040.53 : 21,064.67 = 6,141.61 : x
  2. Step 2: Convert to fraction form
    14,040.53/21,064.67 = 6,141.61/x
  3. Step 3: Cross multiply
    14,040.53x = 21,064.67 × 6,141.61
  4. Step 4: Simplify right side
    14,040.53x = 129,370,987.92
  5. Step 5: Solve for x
    x = 129,370,987.92/14,040.53
  6. Step 6: Final answer
    x = 9,214.11

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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.