Home / 14,270.88-21,386.72-8,033.84

Finding the Fourth Proportional to 14,270.88, 21,386.72 and 8,033.84

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Solution

The fourth proportional to 14,270.88, 21,386.72 and 8,033.84 is: 12,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.88 : 21,386.72 = 8,033.84 : x
  2. Step 2: Convert to fraction form
    14,270.88/21,386.72 = 8,033.84/x
  3. Step 3: Cross multiply
    14,270.88x = 21,386.72 × 8,033.84
  4. Step 4: Simplify right side
    14,270.88x = 171,817,486.60
  5. Step 5: Solve for x
    x = 171,817,486.60/14,270.88
  6. Step 6: Final answer
    x = 12,039.73

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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.