Home / 19,360.86-26,716.38-10,861.80

Finding the Fourth Proportional to 19,360.86, 26,716.38 and 10,861.80

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Solution

The fourth proportional to 19,360.86, 26,716.38 and 10,861.80 is: 14,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360.86 : 26,716.38 = 10,861.80 : x
  2. Step 2: Convert to fraction form
    19,360.86/26,716.38 = 10,861.80/x
  3. Step 3: Cross multiply
    19,360.86x = 26,716.38 × 10,861.80
  4. Step 4: Simplify right side
    19,360.86x = 290,187,976.28
  5. Step 5: Solve for x
    x = 290,187,976.28/19,360.86
  6. Step 6: Final answer
    x = 14,988.38

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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.