Home / 9,719.70-14,579.55-4,172.10

Finding the Fourth Proportional to 9,719.70, 14,579.55 and 4,172.10

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Solution

The fourth proportional to 9,719.70, 14,579.55 and 4,172.10 is: 6,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.70 : 14,579.55 = 4,172.10 : x
  2. Step 2: Convert to fraction form
    9,719.70/14,579.55 = 4,172.10/x
  3. Step 3: Cross multiply
    9,719.70x = 14,579.55 × 4,172.10
  4. Step 4: Simplify right side
    9,719.70x = 60,827,340.56
  5. Step 5: Solve for x
    x = 60,827,340.56/9,719.70
  6. Step 6: Final answer
    x = 6,258.15

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Similar ratio
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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.