Home / 13,744.09-18,948.90-13,558.18

Finding the Fourth Proportional to 13,744.09, 18,948.90 and 13,558.18

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Solution

The fourth proportional to 13,744.09, 18,948.90 and 13,558.18 is: 18,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.09 : 18,948.90 = 13,558.18 : x
  2. Step 2: Convert to fraction form
    13,744.09/18,948.90 = 13,558.18/x
  3. Step 3: Cross multiply
    13,744.09x = 18,948.90 × 13,558.18
  4. Step 4: Simplify right side
    13,744.09x = 256,912,597.00
  5. Step 5: Solve for x
    x = 256,912,597.00/13,744.09
  6. Step 6: Final answer
    x = 18,692.59

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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.