Home / 13,224.24-18,225.48-12,845.16

Finding the Fourth Proportional to 13,224.24, 18,225.48 and 12,845.16

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Solution

The fourth proportional to 13,224.24, 18,225.48 and 12,845.16 is: 17,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.24 : 18,225.48 = 12,845.16 : x
  2. Step 2: Convert to fraction form
    13,224.24/18,225.48 = 12,845.16/x
  3. Step 3: Cross multiply
    13,224.24x = 18,225.48 × 12,845.16
  4. Step 4: Simplify right side
    13,224.24x = 234,109,206.68
  5. Step 5: Solve for x
    x = 234,109,206.68/13,224.24
  6. Step 6: Final answer
    x = 17,703.04

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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.