Home / 13,103.07-19,655.62-4,337.98

Finding the Fourth Proportional to 13,103.07, 19,655.62 and 4,337.98

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Solution

The fourth proportional to 13,103.07, 19,655.62 and 4,337.98 is: 6,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.07 : 19,655.62 = 4,337.98 : x
  2. Step 2: Convert to fraction form
    13,103.07/19,655.62 = 4,337.98/x
  3. Step 3: Cross multiply
    13,103.07x = 19,655.62 × 4,337.98
  4. Step 4: Simplify right side
    13,103.07x = 85,265,686.45
  5. Step 5: Solve for x
    x = 85,265,686.45/13,103.07
  6. Step 6: Final answer
    x = 6,507.31

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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.