Home / 12,030.55-18,048.78-4,133.18

Finding the Fourth Proportional to 12,030.55, 18,048.78 and 4,133.18

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Solution

The fourth proportional to 12,030.55, 18,048.78 and 4,133.18 is: 6,200.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.55 : 18,048.78 = 4,133.18 : x
  2. Step 2: Convert to fraction form
    12,030.55/18,048.78 = 4,133.18/x
  3. Step 3: Cross multiply
    12,030.55x = 18,048.78 × 4,133.18
  4. Step 4: Simplify right side
    12,030.55x = 74,598,810.33
  5. Step 5: Solve for x
    x = 74,598,810.33/12,030.55
  6. Step 6: Final answer
    x = 6,200.78

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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.