Home / 19,166.90-28,750.45-6,687.03

Finding the Fourth Proportional to 19,166.90, 28,750.45 and 6,687.03

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Solution

The fourth proportional to 19,166.90, 28,750.45 and 6,687.03 is: 10,030.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.90 : 28,750.45 = 6,687.03 : x
  2. Step 2: Convert to fraction form
    19,166.90/28,750.45 = 6,687.03/x
  3. Step 3: Cross multiply
    19,166.90x = 28,750.45 × 6,687.03
  4. Step 4: Simplify right side
    19,166.90x = 192,255,121.66
  5. Step 5: Solve for x
    x = 192,255,121.66/19,166.90
  6. Step 6: Final answer
    x = 10,030.58

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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.