Home / 9,021.02-13,531.52-5,920.64

Finding the Fourth Proportional to 9,021.02, 13,531.52 and 5,920.64

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Solution

The fourth proportional to 9,021.02, 13,531.52 and 5,920.64 is: 8,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.02 : 13,531.52 = 5,920.64 : x
  2. Step 2: Convert to fraction form
    9,021.02/13,531.52 = 5,920.64/x
  3. Step 3: Cross multiply
    9,021.02x = 13,531.52 × 5,920.64
  4. Step 4: Simplify right side
    9,021.02x = 80,115,258.57
  5. Step 5: Solve for x
    x = 80,115,258.57/9,021.02
  6. Step 6: Final answer
    x = 8,880.95

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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.