Home / 19,186.88-26,478.24-10,803.68

Finding the Fourth Proportional to 19,186.88, 26,478.24 and 10,803.68

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Solution

The fourth proportional to 19,186.88, 26,478.24 and 10,803.68 is: 14,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,186.88 : 26,478.24 = 10,803.68 : x
  2. Step 2: Convert to fraction form
    19,186.88/26,478.24 = 10,803.68/x
  3. Step 3: Cross multiply
    19,186.88x = 26,478.24 × 10,803.68
  4. Step 4: Simplify right side
    19,186.88x = 286,062,431.92
  5. Step 5: Solve for x
    x = 286,062,431.92/19,186.88
  6. Step 6: Final answer
    x = 14,909.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.