Home / 11,617.95-17,421.60-3,718.94

Finding the Fourth Proportional to 11,617.95, 17,421.60 and 3,718.94

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Solution

The fourth proportional to 11,617.95, 17,421.60 and 3,718.94 is: 5,576.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,617.95 : 17,421.60 = 3,718.94 : x
  2. Step 2: Convert to fraction form
    11,617.95/17,421.60 = 3,718.94/x
  3. Step 3: Cross multiply
    11,617.95x = 17,421.60 × 3,718.94
  4. Step 4: Simplify right side
    11,617.95x = 64,789,798.00
  5. Step 5: Solve for x
    x = 64,789,798.00/11,617.95
  6. Step 6: Final answer
    x = 5,576.70

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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.