Home / 9,069.21-12,515.64-4,981.35

Finding the Fourth Proportional to 9,069.21, 12,515.64 and 4,981.35

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Solution

The fourth proportional to 9,069.21, 12,515.64 and 4,981.35 is: 6,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,069.21 : 12,515.64 = 4,981.35 : x
  2. Step 2: Convert to fraction form
    9,069.21/12,515.64 = 4,981.35/x
  3. Step 3: Cross multiply
    9,069.21x = 12,515.64 × 4,981.35
  4. Step 4: Simplify right side
    9,069.21x = 62,344,783.31
  5. Step 5: Solve for x
    x = 62,344,783.31/9,069.21
  6. Step 6: Final answer
    x = 6,874.33

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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.