Home / 16,800.48-25,202.12-5,113.80

Finding the Fourth Proportional to 16,800.48, 25,202.12 and 5,113.80

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Solution

The fourth proportional to 16,800.48, 25,202.12 and 5,113.80 is: 7,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,800.48 : 25,202.12 = 5,113.80 : x
  2. Step 2: Convert to fraction form
    16,800.48/25,202.12 = 5,113.80/x
  3. Step 3: Cross multiply
    16,800.48x = 25,202.12 × 5,113.80
  4. Step 4: Simplify right side
    16,800.48x = 128,878,575.69
  5. Step 5: Solve for x
    x = 128,878,575.69/16,800.48
  6. Step 6: Final answer
    x = 7,671.12

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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.