Home / 11,639.46-17,461.93-3,319.60

Finding the Fourth Proportional to 11,639.46, 17,461.93 and 3,319.60

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Solution

The fourth proportional to 11,639.46, 17,461.93 and 3,319.60 is: 4,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.46 : 17,461.93 = 3,319.60 : x
  2. Step 2: Convert to fraction form
    11,639.46/17,461.93 = 3,319.60/x
  3. Step 3: Cross multiply
    11,639.46x = 17,461.93 × 3,319.60
  4. Step 4: Simplify right side
    11,639.46x = 57,966,622.83
  5. Step 5: Solve for x
    x = 57,966,622.83/11,639.46
  6. Step 6: Final answer
    x = 4,980.18

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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.