Home / 13,098.80-19,617.24-9,975.04

Finding the Fourth Proportional to 13,098.80, 19,617.24 and 9,975.04

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Solution

The fourth proportional to 13,098.80, 19,617.24 and 9,975.04 is: 14,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.80 : 19,617.24 = 9,975.04 : x
  2. Step 2: Convert to fraction form
    13,098.80/19,617.24 = 9,975.04/x
  3. Step 3: Cross multiply
    13,098.80x = 19,617.24 × 9,975.04
  4. Step 4: Simplify right side
    13,098.80x = 195,682,753.69
  5. Step 5: Solve for x
    x = 195,682,753.69/13,098.80
  6. Step 6: Final answer
    x = 14,938.98

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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.