Home / 12,192.63-18,288.93-4,401.45

Finding the Fourth Proportional to 12,192.63, 18,288.93 and 4,401.45

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Solution

The fourth proportional to 12,192.63, 18,288.93 and 4,401.45 is: 6,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,192.63 : 18,288.93 = 4,401.45 : x
  2. Step 2: Convert to fraction form
    12,192.63/18,288.93 = 4,401.45/x
  3. Step 3: Cross multiply
    12,192.63x = 18,288.93 × 4,401.45
  4. Step 4: Simplify right side
    12,192.63x = 80,497,810.95
  5. Step 5: Solve for x
    x = 80,497,810.95/12,192.63
  6. Step 6: Final answer
    x = 6,602.17

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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.