Home / 12,577.95-18,875.16-4,786.83

Finding the Fourth Proportional to 12,577.95, 18,875.16 and 4,786.83

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Solution

The fourth proportional to 12,577.95, 18,875.16 and 4,786.83 is: 7,183.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577.95 : 18,875.16 = 4,786.83 : x
  2. Step 2: Convert to fraction form
    12,577.95/18,875.16 = 4,786.83/x
  3. Step 3: Cross multiply
    12,577.95x = 18,875.16 × 4,786.83
  4. Step 4: Simplify right side
    12,577.95x = 90,352,182.14
  5. Step 5: Solve for x
    x = 90,352,182.14/12,577.95
  6. Step 6: Final answer
    x = 7,183.38

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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.