Home / 12,585.06-18,878.96-4,150.53

Finding the Fourth Proportional to 12,585.06, 18,878.96 and 4,150.53

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Solution

The fourth proportional to 12,585.06, 18,878.96 and 4,150.53 is: 6,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585.06 : 18,878.96 = 4,150.53 : x
  2. Step 2: Convert to fraction form
    12,585.06/18,878.96 = 4,150.53/x
  3. Step 3: Cross multiply
    12,585.06x = 18,878.96 × 4,150.53
  4. Step 4: Simplify right side
    12,585.06x = 78,357,689.85
  5. Step 5: Solve for x
    x = 78,357,689.85/12,585.06
  6. Step 6: Final answer
    x = 6,226.25

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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.