Home / 9,145.97-13,708.60-4,205.41

Finding the Fourth Proportional to 9,145.97, 13,708.60 and 4,205.41

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Solution

The fourth proportional to 9,145.97, 13,708.60 and 4,205.41 is: 6,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,145.97 : 13,708.60 = 4,205.41 : x
  2. Step 2: Convert to fraction form
    9,145.97/13,708.60 = 4,205.41/x
  3. Step 3: Cross multiply
    9,145.97x = 13,708.60 × 4,205.41
  4. Step 4: Simplify right side
    9,145.97x = 57,650,283.53
  5. Step 5: Solve for x
    x = 57,650,283.53/9,145.97
  6. Step 6: Final answer
    x = 6,303.35

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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.