Home / 11,328.90-15,632.76-6,292.86

Finding the Fourth Proportional to 11,328.90, 15,632.76 and 6,292.86

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Solution

The fourth proportional to 11,328.90, 15,632.76 and 6,292.86 is: 8,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.90 : 15,632.76 = 6,292.86 : x
  2. Step 2: Convert to fraction form
    11,328.90/15,632.76 = 6,292.86/x
  3. Step 3: Cross multiply
    11,328.90x = 15,632.76 × 6,292.86
  4. Step 4: Simplify right side
    11,328.90x = 98,374,770.09
  5. Step 5: Solve for x
    x = 98,374,770.09/11,328.90
  6. Step 6: Final answer
    x = 8,683.52

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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.