Home / 15,401.80-23,102.70-5,552.20

Finding the Fourth Proportional to 15,401.80, 23,102.70 and 5,552.20

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Solution

The fourth proportional to 15,401.80, 23,102.70 and 5,552.20 is: 8,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,401.80 : 23,102.70 = 5,552.20 : x
  2. Step 2: Convert to fraction form
    15,401.80/23,102.70 = 5,552.20/x
  3. Step 3: Cross multiply
    15,401.80x = 23,102.70 × 5,552.20
  4. Step 4: Simplify right side
    15,401.80x = 128,270,810.94
  5. Step 5: Solve for x
    x = 128,270,810.94/15,401.80
  6. Step 6: Final answer
    x = 8,328.30

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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.