Home / 10,378.07-15,567.07-6,219.33

Finding the Fourth Proportional to 10,378.07, 15,567.07 and 6,219.33

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Solution

The fourth proportional to 10,378.07, 15,567.07 and 6,219.33 is: 9,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.07 : 15,567.07 = 6,219.33 : x
  2. Step 2: Convert to fraction form
    10,378.07/15,567.07 = 6,219.33/x
  3. Step 3: Cross multiply
    10,378.07x = 15,567.07 × 6,219.33
  4. Step 4: Simplify right side
    10,378.07x = 96,816,745.46
  5. Step 5: Solve for x
    x = 96,816,745.46/10,378.07
  6. Step 6: Final answer
    x = 9,328.97

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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.