Home / 14,623.21-21,923.63-12,116.70

Finding the Fourth Proportional to 14,623.21, 21,923.63 and 12,116.70

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Solution

The fourth proportional to 14,623.21, 21,923.63 and 12,116.70 is: 18,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.21 : 21,923.63 = 12,116.70 : x
  2. Step 2: Convert to fraction form
    14,623.21/21,923.63 = 12,116.70/x
  3. Step 3: Cross multiply
    14,623.21x = 21,923.63 × 12,116.70
  4. Step 4: Simplify right side
    14,623.21x = 265,641,987.04
  5. Step 5: Solve for x
    x = 265,641,987.04/14,623.21
  6. Step 6: Final answer
    x = 18,165.78

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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.