Home / 9,647.74-13,313.66-5,398.86

Finding the Fourth Proportional to 9,647.74, 13,313.66 and 5,398.86

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Solution

The fourth proportional to 9,647.74, 13,313.66 and 5,398.86 is: 7,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.74 : 13,313.66 = 5,398.86 : x
  2. Step 2: Convert to fraction form
    9,647.74/13,313.66 = 5,398.86/x
  3. Step 3: Cross multiply
    9,647.74x = 13,313.66 × 5,398.86
  4. Step 4: Simplify right side
    9,647.74x = 71,878,586.43
  5. Step 5: Solve for x
    x = 71,878,586.43/9,647.74
  6. Step 6: Final answer
    x = 7,450.30

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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.