Home / 9,440.12-13,027.70-5,407.68

Finding the Fourth Proportional to 9,440.12, 13,027.70 and 5,407.68

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Solution

The fourth proportional to 9,440.12, 13,027.70 and 5,407.68 is: 7,462.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.12 : 13,027.70 = 5,407.68 : x
  2. Step 2: Convert to fraction form
    9,440.12/13,027.70 = 5,407.68/x
  3. Step 3: Cross multiply
    9,440.12x = 13,027.70 × 5,407.68
  4. Step 4: Simplify right side
    9,440.12x = 70,449,632.74
  5. Step 5: Solve for x
    x = 70,449,632.74/9,440.12
  6. Step 6: Final answer
    x = 7,462.79

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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.