Home / 21,464.18-29,619.57-12,032.50

Finding the Fourth Proportional to 21,464.18, 29,619.57 and 12,032.50

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Solution

The fourth proportional to 21,464.18, 29,619.57 and 12,032.50 is: 16,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.18 : 29,619.57 = 12,032.50 : x
  2. Step 2: Convert to fraction form
    21,464.18/29,619.57 = 12,032.50/x
  3. Step 3: Cross multiply
    21,464.18x = 29,619.57 × 12,032.50
  4. Step 4: Simplify right side
    21,464.18x = 356,397,476.03
  5. Step 5: Solve for x
    x = 356,397,476.03/21,464.18
  6. Step 6: Final answer
    x = 16,604.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.