Home / 14,411.24-21,640.29-8,899.64

Finding the Fourth Proportional to 14,411.24, 21,640.29 and 8,899.64

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Solution

The fourth proportional to 14,411.24, 21,640.29 and 8,899.64 is: 13,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.24 : 21,640.29 = 8,899.64 : x
  2. Step 2: Convert to fraction form
    14,411.24/21,640.29 = 8,899.64/x
  3. Step 3: Cross multiply
    14,411.24x = 21,640.29 × 8,899.64
  4. Step 4: Simplify right side
    14,411.24x = 192,590,790.50
  5. Step 5: Solve for x
    x = 192,590,790.50/14,411.24
  6. Step 6: Final answer
    x = 13,363.93

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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.