Home / 12,029.89-18,047.90-5,007.57

Finding the Fourth Proportional to 12,029.89, 18,047.90 and 5,007.57

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Solution

The fourth proportional to 12,029.89, 18,047.90 and 5,007.57 is: 7,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.89 : 18,047.90 = 5,007.57 : x
  2. Step 2: Convert to fraction form
    12,029.89/18,047.90 = 5,007.57/x
  3. Step 3: Cross multiply
    12,029.89x = 18,047.90 × 5,007.57
  4. Step 4: Simplify right side
    12,029.89x = 90,376,047.71
  5. Step 5: Solve for x
    x = 90,376,047.71/12,029.89
  6. Step 6: Final answer
    x = 7,512.63

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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.