Home / 18,020.37-27,030.58-4,872.74

Finding the Fourth Proportional to 18,020.37, 27,030.58 and 4,872.74

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Solution

The fourth proportional to 18,020.37, 27,030.58 and 4,872.74 is: 7,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.37 : 27,030.58 = 4,872.74 : x
  2. Step 2: Convert to fraction form
    18,020.37/27,030.58 = 4,872.74/x
  3. Step 3: Cross multiply
    18,020.37x = 27,030.58 × 4,872.74
  4. Step 4: Simplify right side
    18,020.37x = 131,712,946.36
  5. Step 5: Solve for x
    x = 131,712,946.36/18,020.37
  6. Step 6: Final answer
    x = 7,309.12

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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.