Home / 13,237.56-19,857.30-5,448.12

Finding the Fourth Proportional to 13,237.56, 19,857.30 and 5,448.12

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Solution

The fourth proportional to 13,237.56, 19,857.30 and 5,448.12 is: 8,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.56 : 19,857.30 = 5,448.12 : x
  2. Step 2: Convert to fraction form
    13,237.56/19,857.30 = 5,448.12/x
  3. Step 3: Cross multiply
    13,237.56x = 19,857.30 × 5,448.12
  4. Step 4: Simplify right side
    13,237.56x = 108,184,953.28
  5. Step 5: Solve for x
    x = 108,184,953.28/13,237.56
  6. Step 6: Final answer
    x = 8,172.58

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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.