Home / 13,098.21-18,061.54-9,735.49

Finding the Fourth Proportional to 13,098.21, 18,061.54 and 9,735.49

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Solution

The fourth proportional to 13,098.21, 18,061.54 and 9,735.49 is: 13,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.21 : 18,061.54 = 9,735.49 : x
  2. Step 2: Convert to fraction form
    13,098.21/18,061.54 = 9,735.49/x
  3. Step 3: Cross multiply
    13,098.21x = 18,061.54 × 9,735.49
  4. Step 4: Simplify right side
    13,098.21x = 175,837,942.05
  5. Step 5: Solve for x
    x = 175,837,942.05/13,098.21
  6. Step 6: Final answer
    x = 13,424.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.