Home / 14,390.23-21,588.43-8,153.23

Finding the Fourth Proportional to 14,390.23, 21,588.43 and 8,153.23

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Solution

The fourth proportional to 14,390.23, 21,588.43 and 8,153.23 is: 12,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.23 : 21,588.43 = 8,153.23 : x
  2. Step 2: Convert to fraction form
    14,390.23/21,588.43 = 8,153.23/x
  3. Step 3: Cross multiply
    14,390.23x = 21,588.43 × 8,153.23
  4. Step 4: Simplify right side
    14,390.23x = 176,015,435.13
  5. Step 5: Solve for x
    x = 176,015,435.13/14,390.23
  6. Step 6: Final answer
    x = 12,231.59

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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.