Home / 14,325.06-21,486.07-8,768.72

Finding the Fourth Proportional to 14,325.06, 21,486.07 and 8,768.72

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Solution

The fourth proportional to 14,325.06, 21,486.07 and 8,768.72 is: 13,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,325.06 : 21,486.07 = 8,768.72 : x
  2. Step 2: Convert to fraction form
    14,325.06/21,486.07 = 8,768.72/x
  3. Step 3: Cross multiply
    14,325.06x = 21,486.07 × 8,768.72
  4. Step 4: Simplify right side
    14,325.06x = 188,405,396.41
  5. Step 5: Solve for x
    x = 188,405,396.41/14,325.06
  6. Step 6: Final answer
    x = 13,152.15

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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.