Home / 11,313.24-15,621.46-7,069.26

Finding the Fourth Proportional to 11,313.24, 15,621.46 and 7,069.26

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Solution

The fourth proportional to 11,313.24, 15,621.46 and 7,069.26 is: 9,761.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.24 : 15,621.46 = 7,069.26 : x
  2. Step 2: Convert to fraction form
    11,313.24/15,621.46 = 7,069.26/x
  3. Step 3: Cross multiply
    11,313.24x = 15,621.46 × 7,069.26
  4. Step 4: Simplify right side
    11,313.24x = 110,432,162.32
  5. Step 5: Solve for x
    x = 110,432,162.32/11,313.24
  6. Step 6: Final answer
    x = 9,761.32

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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.