Home / 11,285.25-15,574.37-6,317.25

Finding the Fourth Proportional to 11,285.25, 15,574.37 and 6,317.25

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Solution

The fourth proportional to 11,285.25, 15,574.37 and 6,317.25 is: 8,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.25 : 15,574.37 = 6,317.25 : x
  2. Step 2: Convert to fraction form
    11,285.25/15,574.37 = 6,317.25/x
  3. Step 3: Cross multiply
    11,285.25x = 15,574.37 × 6,317.25
  4. Step 4: Simplify right side
    11,285.25x = 98,387,157.30
  5. Step 5: Solve for x
    x = 98,387,157.30/11,285.25
  6. Step 6: Final answer
    x = 8,718.21

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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.