Home / 19,115.86-26,375.60-10,731.82

Finding the Fourth Proportional to 19,115.86, 26,375.60 and 10,731.82

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Solution

The fourth proportional to 19,115.86, 26,375.60 and 10,731.82 is: 14,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.86 : 26,375.60 = 10,731.82 : x
  2. Step 2: Convert to fraction form
    19,115.86/26,375.60 = 10,731.82/x
  3. Step 3: Cross multiply
    19,115.86x = 26,375.60 × 10,731.82
  4. Step 4: Simplify right side
    19,115.86x = 283,058,191.59
  5. Step 5: Solve for x
    x = 283,058,191.59/19,115.86
  6. Step 6: Final answer
    x = 14,807.50

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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.