Home / 15,485.56-23,222.38-7,583.20

Finding the Fourth Proportional to 15,485.56, 23,222.38 and 7,583.20

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Solution

The fourth proportional to 15,485.56, 23,222.38 and 7,583.20 is: 11,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,485.56 : 23,222.38 = 7,583.20 : x
  2. Step 2: Convert to fraction form
    15,485.56/23,222.38 = 7,583.20/x
  3. Step 3: Cross multiply
    15,485.56x = 23,222.38 × 7,583.20
  4. Step 4: Simplify right side
    15,485.56x = 176,099,952.02
  5. Step 5: Solve for x
    x = 176,099,952.02/15,485.56
  6. Step 6: Final answer
    x = 11,371.88

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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.