Home / 12,537.21-18,802.69-5,518.96

Finding the Fourth Proportional to 12,537.21, 18,802.69 and 5,518.96

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Solution

The fourth proportional to 12,537.21, 18,802.69 and 5,518.96 is: 8,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,537.21 : 18,802.69 = 5,518.96 : x
  2. Step 2: Convert to fraction form
    12,537.21/18,802.69 = 5,518.96/x
  3. Step 3: Cross multiply
    12,537.21x = 18,802.69 × 5,518.96
  4. Step 4: Simplify right side
    12,537.21x = 103,771,294.00
  5. Step 5: Solve for x
    x = 103,771,294.00/12,537.21
  6. Step 6: Final answer
    x = 8,277.06

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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.