Home / 19,310.86-26,647.69-10,811.55

Finding the Fourth Proportional to 19,310.86, 26,647.69 and 10,811.55

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Solution

The fourth proportional to 19,310.86, 26,647.69 and 10,811.55 is: 14,919.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.86 : 26,647.69 = 10,811.55 : x
  2. Step 2: Convert to fraction form
    19,310.86/26,647.69 = 10,811.55/x
  3. Step 3: Cross multiply
    19,310.86x = 26,647.69 × 10,811.55
  4. Step 4: Simplify right side
    19,310.86x = 288,102,832.82
  5. Step 5: Solve for x
    x = 288,102,832.82/19,310.86
  6. Step 6: Final answer
    x = 14,919.21

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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.