Home / 19,515.62-26,935.53-13,230.02

Finding the Fourth Proportional to 19,515.62, 26,935.53 and 13,230.02

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Solution

The fourth proportional to 19,515.62, 26,935.53 and 13,230.02 is: 18,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.62 : 26,935.53 = 13,230.02 : x
  2. Step 2: Convert to fraction form
    19,515.62/26,935.53 = 13,230.02/x
  3. Step 3: Cross multiply
    19,515.62x = 26,935.53 × 13,230.02
  4. Step 4: Simplify right side
    19,515.62x = 356,357,600.61
  5. Step 5: Solve for x
    x = 356,357,600.61/19,515.62
  6. Step 6: Final answer
    x = 18,260.12

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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.