Home / 14,588.20-21,833.70-12,838.60

Finding the Fourth Proportional to 14,588.20, 21,833.70 and 12,838.60

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Solution

The fourth proportional to 14,588.20, 21,833.70 and 12,838.60 is: 19,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.20 : 21,833.70 = 12,838.60 : x
  2. Step 2: Convert to fraction form
    14,588.20/21,833.70 = 12,838.60/x
  3. Step 3: Cross multiply
    14,588.20x = 21,833.70 × 12,838.60
  4. Step 4: Simplify right side
    14,588.20x = 280,314,140.82
  5. Step 5: Solve for x
    x = 280,314,140.82/14,588.20
  6. Step 6: Final answer
    x = 19,215.13

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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.