Home / 19,254.75-28,860.21-8,154.51

Finding the Fourth Proportional to 19,254.75, 28,860.21 and 8,154.51

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Solution

The fourth proportional to 19,254.75, 28,860.21 and 8,154.51 is: 12,222.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,254.75 : 28,860.21 = 8,154.51 : x
  2. Step 2: Convert to fraction form
    19,254.75/28,860.21 = 8,154.51/x
  3. Step 3: Cross multiply
    19,254.75x = 28,860.21 × 8,154.51
  4. Step 4: Simplify right side
    19,254.75x = 235,340,871.05
  5. Step 5: Solve for x
    x = 235,340,871.05/19,254.75
  6. Step 6: Final answer
    x = 12,222.48

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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.