Home / 21,901.08-30,224.49-12,344.91

Finding the Fourth Proportional to 21,901.08, 30,224.49 and 12,344.91

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Solution

The fourth proportional to 21,901.08, 30,224.49 and 12,344.91 is: 17,036.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,901.08 : 30,224.49 = 12,344.91 : x
  2. Step 2: Convert to fraction form
    21,901.08/30,224.49 = 12,344.91/x
  3. Step 3: Cross multiply
    21,901.08x = 30,224.49 × 12,344.91
  4. Step 4: Simplify right side
    21,901.08x = 373,118,608.85
  5. Step 5: Solve for x
    x = 373,118,608.85/21,901.08
  6. Step 6: Final answer
    x = 17,036.54

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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.