Home / 15,415.02-23,122.59-3,728.22

Finding the Fourth Proportional to 15,415.02, 23,122.59 and 3,728.22

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Solution

The fourth proportional to 15,415.02, 23,122.59 and 3,728.22 is: 5,592.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,415.02 : 23,122.59 = 3,728.22 : x
  2. Step 2: Convert to fraction form
    15,415.02/23,122.59 = 3,728.22/x
  3. Step 3: Cross multiply
    15,415.02x = 23,122.59 × 3,728.22
  4. Step 4: Simplify right side
    15,415.02x = 86,206,102.49
  5. Step 5: Solve for x
    x = 86,206,102.49/15,415.02
  6. Step 6: Final answer
    x = 5,592.34

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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.