Home / 9,439.70-14,159.50-2,419.70

Finding the Fourth Proportional to 9,439.70, 14,159.50 and 2,419.70

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Solution

The fourth proportional to 9,439.70, 14,159.50 and 2,419.70 is: 3,629.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,439.70 : 14,159.50 = 2,419.70 : x
  2. Step 2: Convert to fraction form
    9,439.70/14,159.50 = 2,419.70/x
  3. Step 3: Cross multiply
    9,439.70x = 14,159.50 × 2,419.70
  4. Step 4: Simplify right side
    9,439.70x = 34,261,742.15
  5. Step 5: Solve for x
    x = 34,261,742.15/9,439.70
  6. Step 6: Final answer
    x = 3,629.54

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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.