Home / 14,144.90-19,369.06-13,587.21

Finding the Fourth Proportional to 14,144.90, 19,369.06 and 13,587.21

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Solution

The fourth proportional to 14,144.90, 19,369.06 and 13,587.21 is: 18,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.90 : 19,369.06 = 13,587.21 : x
  2. Step 2: Convert to fraction form
    14,144.90/19,369.06 = 13,587.21/x
  3. Step 3: Cross multiply
    14,144.90x = 19,369.06 × 13,587.21
  4. Step 4: Simplify right side
    14,144.90x = 263,171,451.75
  5. Step 5: Solve for x
    x = 263,171,451.75/14,144.90
  6. Step 6: Final answer
    x = 18,605.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.