Home / 25,295.03-37,910.64-12,818.19

Finding the Fourth Proportional to 25,295.03, 37,910.64 and 12,818.19

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Solution

The fourth proportional to 25,295.03, 37,910.64 and 12,818.19 is: 19,211.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.03 : 37,910.64 = 12,818.19 : x
  2. Step 2: Convert to fraction form
    25,295.03/37,910.64 = 12,818.19/x
  3. Step 3: Cross multiply
    25,295.03x = 37,910.64 × 12,818.19
  4. Step 4: Simplify right side
    25,295.03x = 485,945,976.77
  5. Step 5: Solve for x
    x = 485,945,976.77/25,295.03
  6. Step 6: Final answer
    x = 19,211.13

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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.