Home / 14,522.40-21,733.20-8,683.20

Finding the Fourth Proportional to 14,522.40, 21,733.20 and 8,683.20

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Solution

The fourth proportional to 14,522.40, 21,733.20 and 8,683.20 is: 12,994.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,522.40 : 21,733.20 = 8,683.20 : x
  2. Step 2: Convert to fraction form
    14,522.40/21,733.20 = 8,683.20/x
  3. Step 3: Cross multiply
    14,522.40x = 21,733.20 × 8,683.20
  4. Step 4: Simplify right side
    14,522.40x = 188,713,722.24
  5. Step 5: Solve for x
    x = 188,713,722.24/14,522.40
  6. Step 6: Final answer
    x = 12,994.66

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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.