Home / 10,860.75-16,291.13-3,069.77

Finding the Fourth Proportional to 10,860.75, 16,291.13 and 3,069.77

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Solution

The fourth proportional to 10,860.75, 16,291.13 and 3,069.77 is: 4,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.75 : 16,291.13 = 3,069.77 : x
  2. Step 2: Convert to fraction form
    10,860.75/16,291.13 = 3,069.77/x
  3. Step 3: Cross multiply
    10,860.75x = 16,291.13 × 3,069.77
  4. Step 4: Simplify right side
    10,860.75x = 50,009,925.34
  5. Step 5: Solve for x
    x = 50,009,925.34/10,860.75
  6. Step 6: Final answer
    x = 4,604.65

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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.