Home / 21,455.48-29,608.58-12,024.12

Finding the Fourth Proportional to 21,455.48, 29,608.58 and 12,024.12

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Solution

The fourth proportional to 21,455.48, 29,608.58 and 12,024.12 is: 16,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455.48 : 29,608.58 = 12,024.12 : x
  2. Step 2: Convert to fraction form
    21,455.48/29,608.58 = 12,024.12/x
  3. Step 3: Cross multiply
    21,455.48x = 29,608.58 × 12,024.12
  4. Step 4: Simplify right side
    21,455.48x = 356,017,118.95
  5. Step 5: Solve for x
    x = 356,017,118.95/21,455.48
  6. Step 6: Final answer
    x = 16,593.30

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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.