Home / 13,290.09-19,935.62-4,523.87

Finding the Fourth Proportional to 13,290.09, 19,935.62 and 4,523.87

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Solution

The fourth proportional to 13,290.09, 19,935.62 and 4,523.87 is: 6,785.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.09 : 19,935.62 = 4,523.87 : x
  2. Step 2: Convert to fraction form
    13,290.09/19,935.62 = 4,523.87/x
  3. Step 3: Cross multiply
    13,290.09x = 19,935.62 × 4,523.87
  4. Step 4: Simplify right side
    13,290.09x = 90,186,030.95
  5. Step 5: Solve for x
    x = 90,186,030.95/13,290.09
  6. Step 6: Final answer
    x = 6,785.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.