Home / 11,328.14-15,632.43-6,292.55

Finding the Fourth Proportional to 11,328.14, 15,632.43 and 6,292.55

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Solution

The fourth proportional to 11,328.14, 15,632.43 and 6,292.55 is: 8,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.14 : 15,632.43 = 6,292.55 : x
  2. Step 2: Convert to fraction form
    11,328.14/15,632.43 = 6,292.55/x
  3. Step 3: Cross multiply
    11,328.14x = 15,632.43 × 6,292.55
  4. Step 4: Simplify right side
    11,328.14x = 98,367,847.40
  5. Step 5: Solve for x
    x = 98,367,847.40/11,328.14
  6. Step 6: Final answer
    x = 8,683.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.