Home / 9,339.60-14,009.40-5,397.60

Finding the Fourth Proportional to 9,339.60, 14,009.40 and 5,397.60

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Solution

The fourth proportional to 9,339.60, 14,009.40 and 5,397.60 is: 8,096.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.60 : 14,009.40 = 5,397.60 : x
  2. Step 2: Convert to fraction form
    9,339.60/14,009.40 = 5,397.60/x
  3. Step 3: Cross multiply
    9,339.60x = 14,009.40 × 5,397.60
  4. Step 4: Simplify right side
    9,339.60x = 75,617,137.44
  5. Step 5: Solve for x
    x = 75,617,137.44/9,339.60
  6. Step 6: Final answer
    x = 8,096.40

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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.