Home / 19,239.95-28,860.15-6,760.34

Finding the Fourth Proportional to 19,239.95, 28,860.15 and 6,760.34

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Solution

The fourth proportional to 19,239.95, 28,860.15 and 6,760.34 is: 10,140.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,239.95 : 28,860.15 = 6,760.34 : x
  2. Step 2: Convert to fraction form
    19,239.95/28,860.15 = 6,760.34/x
  3. Step 3: Cross multiply
    19,239.95x = 28,860.15 × 6,760.34
  4. Step 4: Simplify right side
    19,239.95x = 195,104,426.45
  5. Step 5: Solve for x
    x = 195,104,426.45/19,239.95
  6. Step 6: Final answer
    x = 10,140.59

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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.