Home / 16,820.67-25,231.02-5,133.90

Finding the Fourth Proportional to 16,820.67, 25,231.02 and 5,133.90

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Solution

The fourth proportional to 16,820.67, 25,231.02 and 5,133.90 is: 7,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.67 : 25,231.02 = 5,133.90 : x
  2. Step 2: Convert to fraction form
    16,820.67/25,231.02 = 5,133.90/x
  3. Step 3: Cross multiply
    16,820.67x = 25,231.02 × 5,133.90
  4. Step 4: Simplify right side
    16,820.67x = 129,533,533.58
  5. Step 5: Solve for x
    x = 129,533,533.58/16,820.67
  6. Step 6: Final answer
    x = 7,700.85

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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.