Home / 14,148.19-19,504.99-11,286.63

Finding the Fourth Proportional to 14,148.19, 19,504.99 and 11,286.63

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Solution

The fourth proportional to 14,148.19, 19,504.99 and 11,286.63 is: 15,559.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.19 : 19,504.99 = 11,286.63 : x
  2. Step 2: Convert to fraction form
    14,148.19/19,504.99 = 11,286.63/x
  3. Step 3: Cross multiply
    14,148.19x = 19,504.99 × 11,286.63
  4. Step 4: Simplify right side
    14,148.19x = 220,145,564.53
  5. Step 5: Solve for x
    x = 220,145,564.53/14,148.19
  6. Step 6: Final answer
    x = 15,559.98

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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.