Home / 12,224.80-18,312.90-7,024.60

Finding the Fourth Proportional to 12,224.80, 18,312.90 and 7,024.60

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Solution

The fourth proportional to 12,224.80, 18,312.90 and 7,024.60 is: 10,522.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.80 : 18,312.90 = 7,024.60 : x
  2. Step 2: Convert to fraction form
    12,224.80/18,312.90 = 7,024.60/x
  3. Step 3: Cross multiply
    12,224.80x = 18,312.90 × 7,024.60
  4. Step 4: Simplify right side
    12,224.80x = 128,640,797.34
  5. Step 5: Solve for x
    x = 128,640,797.34/12,224.80
  6. Step 6: Final answer
    x = 10,522.94

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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.