Home / 14,051.40-21,033.90-12,496.20

Finding the Fourth Proportional to 14,051.40, 21,033.90 and 12,496.20

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Solution

The fourth proportional to 14,051.40, 21,033.90 and 12,496.20 is: 18,705.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.40 : 21,033.90 = 12,496.20 : x
  2. Step 2: Convert to fraction form
    14,051.40/21,033.90 = 12,496.20/x
  3. Step 3: Cross multiply
    14,051.40x = 21,033.90 × 12,496.20
  4. Step 4: Simplify right side
    14,051.40x = 262,843,821.18
  5. Step 5: Solve for x
    x = 262,843,821.18/14,051.40
  6. Step 6: Final answer
    x = 18,705.88

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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.