Home / 14,998.07-20,697.48-8,283.57

Finding the Fourth Proportional to 14,998.07, 20,697.48 and 8,283.57

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Solution

The fourth proportional to 14,998.07, 20,697.48 and 8,283.57 is: 11,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.07 : 20,697.48 = 8,283.57 : x
  2. Step 2: Convert to fraction form
    14,998.07/20,697.48 = 8,283.57/x
  3. Step 3: Cross multiply
    14,998.07x = 20,697.48 × 8,283.57
  4. Step 4: Simplify right side
    14,998.07x = 171,449,024.40
  5. Step 5: Solve for x
    x = 171,449,024.40/14,998.07
  6. Step 6: Final answer
    x = 11,431.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.