Home / 10,365.45-15,548.99-5,103.29

Finding the Fourth Proportional to 10,365.45, 15,548.99 and 5,103.29

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Solution

The fourth proportional to 10,365.45, 15,548.99 and 5,103.29 is: 7,655.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.45 : 15,548.99 = 5,103.29 : x
  2. Step 2: Convert to fraction form
    10,365.45/15,548.99 = 5,103.29/x
  3. Step 3: Cross multiply
    10,365.45x = 15,548.99 × 5,103.29
  4. Step 4: Simplify right side
    10,365.45x = 79,350,901.92
  5. Step 5: Solve for x
    x = 79,350,901.92/10,365.45
  6. Step 6: Final answer
    x = 7,655.33

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1.5x scale

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.