Home / 9,180.19-12,667.63-5,200.45

Finding the Fourth Proportional to 9,180.19, 12,667.63 and 5,200.45

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Solution

The fourth proportional to 9,180.19, 12,667.63 and 5,200.45 is: 7,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180.19 : 12,667.63 = 5,200.45 : x
  2. Step 2: Convert to fraction form
    9,180.19/12,667.63 = 5,200.45/x
  3. Step 3: Cross multiply
    9,180.19x = 12,667.63 × 5,200.45
  4. Step 4: Simplify right side
    9,180.19x = 65,877,287.09
  5. Step 5: Solve for x
    x = 65,877,287.09/9,180.19
  6. Step 6: Final answer
    x = 7,176.03

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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.