Home / 19,106.29-28,671.09-12,076.62

Finding the Fourth Proportional to 19,106.29, 28,671.09 and 12,076.62

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Solution

The fourth proportional to 19,106.29, 28,671.09 and 12,076.62 is: 18,122.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,106.29 : 28,671.09 = 12,076.62 : x
  2. Step 2: Convert to fraction form
    19,106.29/28,671.09 = 12,076.62/x
  3. Step 3: Cross multiply
    19,106.29x = 28,671.09 × 12,076.62
  4. Step 4: Simplify right side
    19,106.29x = 346,249,858.92
  5. Step 5: Solve for x
    x = 346,249,858.92/19,106.29
  6. Step 6: Final answer
    x = 18,122.30

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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.