Home / 19,137.95-28,707.57-6,658.08

Finding the Fourth Proportional to 19,137.95, 28,707.57 and 6,658.08

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Solution

The fourth proportional to 19,137.95, 28,707.57 and 6,658.08 is: 9,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.95 : 28,707.57 = 6,658.08 : x
  2. Step 2: Convert to fraction form
    19,137.95/28,707.57 = 6,658.08/x
  3. Step 3: Cross multiply
    19,137.95x = 28,707.57 × 6,658.08
  4. Step 4: Simplify right side
    19,137.95x = 191,137,297.67
  5. Step 5: Solve for x
    x = 191,137,297.67/19,137.95
  6. Step 6: Final answer
    x = 9,987.34

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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.