Home / 19,315.48-28,977.73-5,987.77

Finding the Fourth Proportional to 19,315.48, 28,977.73 and 5,987.77

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Solution

The fourth proportional to 19,315.48, 28,977.73 and 5,987.77 is: 8,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.48 : 28,977.73 = 5,987.77 : x
  2. Step 2: Convert to fraction form
    19,315.48/28,977.73 = 5,987.77/x
  3. Step 3: Cross multiply
    19,315.48x = 28,977.73 × 5,987.77
  4. Step 4: Simplify right side
    19,315.48x = 173,511,982.36
  5. Step 5: Solve for x
    x = 173,511,982.36/19,315.48
  6. Step 6: Final answer
    x = 8,983.05

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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.