Home / 13,089.78-19,634.79-3,730.02

Finding the Fourth Proportional to 13,089.78, 19,634.79 and 3,730.02

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Solution

The fourth proportional to 13,089.78, 19,634.79 and 3,730.02 is: 5,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.78 : 19,634.79 = 3,730.02 : x
  2. Step 2: Convert to fraction form
    13,089.78/19,634.79 = 3,730.02/x
  3. Step 3: Cross multiply
    13,089.78x = 19,634.79 × 3,730.02
  4. Step 4: Simplify right side
    13,089.78x = 73,238,159.40
  5. Step 5: Solve for x
    x = 73,238,159.40/13,089.78
  6. Step 6: Final answer
    x = 5,595.06

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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.