Home / 11,364.80-15,683.40-6,329.45

Finding the Fourth Proportional to 11,364.80, 15,683.40 and 6,329.45

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Solution

The fourth proportional to 11,364.80, 15,683.40 and 6,329.45 is: 8,734.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.80 : 15,683.40 = 6,329.45 : x
  2. Step 2: Convert to fraction form
    11,364.80/15,683.40 = 6,329.45/x
  3. Step 3: Cross multiply
    11,364.80x = 15,683.40 × 6,329.45
  4. Step 4: Simplify right side
    11,364.80x = 99,267,335.34
  5. Step 5: Solve for x
    x = 99,267,335.34/11,364.80
  6. Step 6: Final answer
    x = 8,734.63

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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.