Home / 19,150.70-28,726.80-6,671.99

Finding the Fourth Proportional to 19,150.70, 28,726.80 and 6,671.99

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Solution

The fourth proportional to 19,150.70, 28,726.80 and 6,671.99 is: 10,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.70 : 28,726.80 = 6,671.99 : x
  2. Step 2: Convert to fraction form
    19,150.70/28,726.80 = 6,671.99/x
  3. Step 3: Cross multiply
    19,150.70x = 28,726.80 × 6,671.99
  4. Step 4: Simplify right side
    19,150.70x = 191,664,845.07
  5. Step 5: Solve for x
    x = 191,664,845.07/19,150.70
  6. Step 6: Final answer
    x = 10,008.24

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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.