Home / 11,365.12-15,683.76-6,329.05

Finding the Fourth Proportional to 11,365.12, 15,683.76 and 6,329.05

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Solution

The fourth proportional to 11,365.12, 15,683.76 and 6,329.05 is: 8,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.12 : 15,683.76 = 6,329.05 : x
  2. Step 2: Convert to fraction form
    11,365.12/15,683.76 = 6,329.05/x
  3. Step 3: Cross multiply
    11,365.12x = 15,683.76 × 6,329.05
  4. Step 4: Simplify right side
    11,365.12x = 99,263,262.02
  5. Step 5: Solve for x
    x = 99,263,262.02/11,365.12
  6. Step 6: Final answer
    x = 8,734.03

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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.