Home / 9,811.78-14,705.70-4,258.60

Finding the Fourth Proportional to 9,811.78, 14,705.70 and 4,258.60

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Solution

The fourth proportional to 9,811.78, 14,705.70 and 4,258.60 is: 6,382.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.78 : 14,705.70 = 4,258.60 : x
  2. Step 2: Convert to fraction form
    9,811.78/14,705.70 = 4,258.60/x
  3. Step 3: Cross multiply
    9,811.78x = 14,705.70 × 4,258.60
  4. Step 4: Simplify right side
    9,811.78x = 62,625,694.02
  5. Step 5: Solve for x
    x = 62,625,694.02/9,811.78
  6. Step 6: Final answer
    x = 6,382.70

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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.