Home / 19,077.53-26,313.80-13,424.13

Finding the Fourth Proportional to 19,077.53, 26,313.80 and 13,424.13

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Solution

The fourth proportional to 19,077.53, 26,313.80 and 13,424.13 is: 18,516.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077.53 : 26,313.80 = 13,424.13 : x
  2. Step 2: Convert to fraction form
    19,077.53/26,313.80 = 13,424.13/x
  3. Step 3: Cross multiply
    19,077.53x = 26,313.80 × 13,424.13
  4. Step 4: Simplify right side
    19,077.53x = 353,239,804.87
  5. Step 5: Solve for x
    x = 353,239,804.87/19,077.53
  6. Step 6: Final answer
    x = 18,516.02

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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.