Home / 14,487.53-19,991.12-8,113.23

Finding the Fourth Proportional to 14,487.53, 19,991.12 and 8,113.23

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Solution

The fourth proportional to 14,487.53, 19,991.12 and 8,113.23 is: 11,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.53 : 19,991.12 = 8,113.23 : x
  2. Step 2: Convert to fraction form
    14,487.53/19,991.12 = 8,113.23/x
  3. Step 3: Cross multiply
    14,487.53x = 19,991.12 × 8,113.23
  4. Step 4: Simplify right side
    14,487.53x = 162,192,513.95
  5. Step 5: Solve for x
    x = 162,192,513.95/14,487.53
  6. Step 6: Final answer
    x = 11,195.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.