Home / 9,440.20-13,027.65-5,191.45

Finding the Fourth Proportional to 9,440.20, 13,027.65 and 5,191.45

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Solution

The fourth proportional to 9,440.20, 13,027.65 and 5,191.45 is: 7,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,440.20 : 13,027.65 = 5,191.45 : x
  2. Step 2: Convert to fraction form
    9,440.20/13,027.65 = 5,191.45/x
  3. Step 3: Cross multiply
    9,440.20x = 13,027.65 × 5,191.45
  4. Step 4: Simplify right side
    9,440.20x = 67,632,393.59
  5. Step 5: Solve for x
    x = 67,632,393.59/9,440.20
  6. Step 6: Final answer
    x = 7,164.30

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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.