Home / 21,532.08-29,708.83-12,573.89

Finding the Fourth Proportional to 21,532.08, 29,708.83 and 12,573.89

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Solution

The fourth proportional to 21,532.08, 29,708.83 and 12,573.89 is: 17,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532.08 : 29,708.83 = 12,573.89 : x
  2. Step 2: Convert to fraction form
    21,532.08/29,708.83 = 12,573.89/x
  3. Step 3: Cross multiply
    21,532.08x = 29,708.83 × 12,573.89
  4. Step 4: Simplify right side
    21,532.08x = 373,555,349.04
  5. Step 5: Solve for x
    x = 373,555,349.04/21,532.08
  6. Step 6: Final answer
    x = 17,348.78

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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.