Home / 14,443.40-21,614.70-8,604.20

Finding the Fourth Proportional to 14,443.40, 21,614.70 and 8,604.20

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Solution

The fourth proportional to 14,443.40, 21,614.70 and 8,604.20 is: 12,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.40 : 21,614.70 = 8,604.20 : x
  2. Step 2: Convert to fraction form
    14,443.40/21,614.70 = 8,604.20/x
  3. Step 3: Cross multiply
    14,443.40x = 21,614.70 × 8,604.20
  4. Step 4: Simplify right side
    14,443.40x = 185,977,201.74
  5. Step 5: Solve for x
    x = 185,977,201.74/14,443.40
  6. Step 6: Final answer
    x = 12,876.28

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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.