Home / 19,483.36-29,224.74-18,238.12

Finding the Fourth Proportional to 19,483.36, 29,224.74 and 18,238.12

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Solution

The fourth proportional to 19,483.36, 29,224.74 and 18,238.12 is: 27,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.36 : 29,224.74 = 18,238.12 : x
  2. Step 2: Convert to fraction form
    19,483.36/29,224.74 = 18,238.12/x
  3. Step 3: Cross multiply
    19,483.36x = 29,224.74 × 18,238.12
  4. Step 4: Simplify right side
    19,483.36x = 533,004,315.09
  5. Step 5: Solve for x
    x = 533,004,315.09/19,483.36
  6. Step 6: Final answer
    x = 27,356.90

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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.