Home / 14,486.10-21,729.15-13,506.90

Finding the Fourth Proportional to 14,486.10, 21,729.15 and 13,506.90

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Solution

The fourth proportional to 14,486.10, 21,729.15 and 13,506.90 is: 20,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.10 : 21,729.15 = 13,506.90 : x
  2. Step 2: Convert to fraction form
    14,486.10/21,729.15 = 13,506.90/x
  3. Step 3: Cross multiply
    14,486.10x = 21,729.15 × 13,506.90
  4. Step 4: Simplify right side
    14,486.10x = 293,493,456.14
  5. Step 5: Solve for x
    x = 293,493,456.14/14,486.10
  6. Step 6: Final answer
    x = 20,260.35

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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.