Home / 13,483.40-18,669.30-13,224.20

Finding the Fourth Proportional to 13,483.40, 18,669.30 and 13,224.20

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Solution

The fourth proportional to 13,483.40, 18,669.30 and 13,224.20 is: 18,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483.40 : 18,669.30 = 13,224.20 : x
  2. Step 2: Convert to fraction form
    13,483.40/18,669.30 = 13,224.20/x
  3. Step 3: Cross multiply
    13,483.40x = 18,669.30 × 13,224.20
  4. Step 4: Simplify right side
    13,483.40x = 246,886,557.06
  5. Step 5: Solve for x
    x = 246,886,557.06/13,483.40
  6. Step 6: Final answer
    x = 18,310.41

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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.