Home / 12,526.30-18,788.82-4,205.68

Finding the Fourth Proportional to 12,526.30, 18,788.82 and 4,205.68

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Solution

The fourth proportional to 12,526.30, 18,788.82 and 4,205.68 is: 6,308.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.30 : 18,788.82 = 4,205.68 : x
  2. Step 2: Convert to fraction form
    12,526.30/18,788.82 = 4,205.68/x
  3. Step 3: Cross multiply
    12,526.30x = 18,788.82 × 4,205.68
  4. Step 4: Simplify right side
    12,526.30x = 79,019,764.50
  5. Step 5: Solve for x
    x = 79,019,764.50/12,526.30
  6. Step 6: Final answer
    x = 6,308.31

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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.