Home / 9,430.47-13,014.28-5,181.63

Finding the Fourth Proportional to 9,430.47, 13,014.28 and 5,181.63

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Solution

The fourth proportional to 9,430.47, 13,014.28 and 5,181.63 is: 7,150.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,430.47 : 13,014.28 = 5,181.63 : x
  2. Step 2: Convert to fraction form
    9,430.47/13,014.28 = 5,181.63/x
  3. Step 3: Cross multiply
    9,430.47x = 13,014.28 × 5,181.63
  4. Step 4: Simplify right side
    9,430.47x = 67,435,183.68
  5. Step 5: Solve for x
    x = 67,435,183.68/9,430.47
  6. Step 6: Final answer
    x = 7,150.78

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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.