Home / 11,328.89-15,633.18-6,292.80

Finding the Fourth Proportional to 11,328.89, 15,633.18 and 6,292.80

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Solution

The fourth proportional to 11,328.89, 15,633.18 and 6,292.80 is: 8,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.89 : 15,633.18 = 6,292.80 : x
  2. Step 2: Convert to fraction form
    11,328.89/15,633.18 = 6,292.80/x
  3. Step 3: Cross multiply
    11,328.89x = 15,633.18 × 6,292.80
  4. Step 4: Simplify right side
    11,328.89x = 98,376,475.10
  5. Step 5: Solve for x
    x = 98,376,475.10/11,328.89
  6. Step 6: Final answer
    x = 8,683.69

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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.