Home / 19,255.02-26,573.72-11,699.61

Finding the Fourth Proportional to 19,255.02, 26,573.72 and 11,699.61

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Solution

The fourth proportional to 19,255.02, 26,573.72 and 11,699.61 is: 16,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.02 : 26,573.72 = 11,699.61 : x
  2. Step 2: Convert to fraction form
    19,255.02/26,573.72 = 11,699.61/x
  3. Step 3: Cross multiply
    19,255.02x = 26,573.72 × 11,699.61
  4. Step 4: Simplify right side
    19,255.02x = 310,902,101.75
  5. Step 5: Solve for x
    x = 310,902,101.75/19,255.02
  6. Step 6: Final answer
    x = 16,146.55

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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.