Home / 12,518.30-18,776.23-3,284.30

Finding the Fourth Proportional to 12,518.30, 18,776.23 and 3,284.30

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Solution

The fourth proportional to 12,518.30, 18,776.23 and 3,284.30 is: 4,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,518.30 : 18,776.23 = 3,284.30 : x
  2. Step 2: Convert to fraction form
    12,518.30/18,776.23 = 3,284.30/x
  3. Step 3: Cross multiply
    12,518.30x = 18,776.23 × 3,284.30
  4. Step 4: Simplify right side
    12,518.30x = 61,666,661.89
  5. Step 5: Solve for x
    x = 61,666,661.89/12,518.30
  6. Step 6: Final answer
    x = 4,926.12

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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.