Home / 10,556.24-15,812.40-5,014.40

Finding the Fourth Proportional to 10,556.24, 15,812.40 and 5,014.40

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Solution

The fourth proportional to 10,556.24, 15,812.40 and 5,014.40 is: 7,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,556.24 : 15,812.40 = 5,014.40 : x
  2. Step 2: Convert to fraction form
    10,556.24/15,812.40 = 5,014.40/x
  3. Step 3: Cross multiply
    10,556.24x = 15,812.40 × 5,014.40
  4. Step 4: Simplify right side
    10,556.24x = 79,289,698.56
  5. Step 5: Solve for x
    x = 79,289,698.56/10,556.24
  6. Step 6: Final answer
    x = 7,511.17

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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.