Home / 19,228.10-28,811.10-10,883.30

Finding the Fourth Proportional to 19,228.10, 28,811.10 and 10,883.30

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Solution

The fourth proportional to 19,228.10, 28,811.10 and 10,883.30 is: 16,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.10 : 28,811.10 = 10,883.30 : x
  2. Step 2: Convert to fraction form
    19,228.10/28,811.10 = 10,883.30/x
  3. Step 3: Cross multiply
    19,228.10x = 28,811.10 × 10,883.30
  4. Step 4: Simplify right side
    19,228.10x = 313,559,844.63
  5. Step 5: Solve for x
    x = 313,559,844.63/19,228.10
  6. Step 6: Final answer
    x = 16,307.38

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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.