Home / 9,335.20-14,013.60-5,389.60

Finding the Fourth Proportional to 9,335.20, 14,013.60 and 5,389.60

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Solution

The fourth proportional to 9,335.20, 14,013.60 and 5,389.60 is: 8,090.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.20 : 14,013.60 = 5,389.60 : x
  2. Step 2: Convert to fraction form
    9,335.20/14,013.60 = 5,389.60/x
  3. Step 3: Cross multiply
    9,335.20x = 14,013.60 × 5,389.60
  4. Step 4: Simplify right side
    9,335.20x = 75,527,698.56
  5. Step 5: Solve for x
    x = 75,527,698.56/9,335.20
  6. Step 6: Final answer
    x = 8,090.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.