Home / 9,069.48-12,511.62-6,418.35

Finding the Fourth Proportional to 9,069.48, 12,511.62 and 6,418.35

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Solution

The fourth proportional to 9,069.48, 12,511.62 and 6,418.35 is: 8,854.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.48 : 12,511.62 = 6,418.35 : x
  2. Step 2: Convert to fraction form
    9,069.48/12,511.62 = 6,418.35/x
  3. Step 3: Cross multiply
    9,069.48x = 12,511.62 × 6,418.35
  4. Step 4: Simplify right side
    9,069.48x = 80,303,956.23
  5. Step 5: Solve for x
    x = 80,303,956.23/9,069.48
  6. Step 6: Final answer
    x = 8,854.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.