Home / 14,506.20-21,710.70-12,756.60

Finding the Fourth Proportional to 14,506.20, 21,710.70 and 12,756.60

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Solution

The fourth proportional to 14,506.20, 21,710.70 and 12,756.60 is: 19,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,506.20 : 21,710.70 = 12,756.60 : x
  2. Step 2: Convert to fraction form
    14,506.20/21,710.70 = 12,756.60/x
  3. Step 3: Cross multiply
    14,506.20x = 21,710.70 × 12,756.60
  4. Step 4: Simplify right side
    14,506.20x = 276,954,715.62
  5. Step 5: Solve for x
    x = 276,954,715.62/14,506.20
  6. Step 6: Final answer
    x = 19,092.16

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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.