Home / 13,824.06-20,707.56-7,230.30

Finding the Fourth Proportional to 13,824.06, 20,707.56 and 7,230.30

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Solution

The fourth proportional to 13,824.06, 20,707.56 and 7,230.30 is: 10,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824.06 : 20,707.56 = 7,230.30 : x
  2. Step 2: Convert to fraction form
    13,824.06/20,707.56 = 7,230.30/x
  3. Step 3: Cross multiply
    13,824.06x = 20,707.56 × 7,230.30
  4. Step 4: Simplify right side
    13,824.06x = 149,721,871.07
  5. Step 5: Solve for x
    x = 149,721,871.07/13,824.06
  6. Step 6: Final answer
    x = 10,830.53

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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.