Home / 16,820.64-25,233.73-5,131.13

Finding the Fourth Proportional to 16,820.64, 25,233.73 and 5,131.13

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Solution

The fourth proportional to 16,820.64, 25,233.73 and 5,131.13 is: 7,697.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.64 : 25,233.73 = 5,131.13 : x
  2. Step 2: Convert to fraction form
    16,820.64/25,233.73 = 5,131.13/x
  3. Step 3: Cross multiply
    16,820.64x = 25,233.73 × 5,131.13
  4. Step 4: Simplify right side
    16,820.64x = 129,477,410.02
  5. Step 5: Solve for x
    x = 129,477,410.02/16,820.64
  6. Step 6: Final answer
    x = 7,697.53

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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.