Home / 12,028.23-18,038.70-4,632.12

Finding the Fourth Proportional to 12,028.23, 18,038.70 and 4,632.12

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Solution

The fourth proportional to 12,028.23, 18,038.70 and 4,632.12 is: 6,946.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.23 : 18,038.70 = 4,632.12 : x
  2. Step 2: Convert to fraction form
    12,028.23/18,038.70 = 4,632.12/x
  3. Step 3: Cross multiply
    12,028.23x = 18,038.70 × 4,632.12
  4. Step 4: Simplify right side
    12,028.23x = 83,557,423.04
  5. Step 5: Solve for x
    x = 83,557,423.04/12,028.23
  6. Step 6: Final answer
    x = 6,946.78

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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.