Home / 25,321.51-37,956.34-12,818.35

Finding the Fourth Proportional to 25,321.51, 37,956.34 and 12,818.35

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Solution

The fourth proportional to 25,321.51, 37,956.34 and 12,818.35 is: 19,214.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,321.51 : 37,956.34 = 12,818.35 : x
  2. Step 2: Convert to fraction form
    25,321.51/37,956.34 = 12,818.35/x
  3. Step 3: Cross multiply
    25,321.51x = 37,956.34 × 12,818.35
  4. Step 4: Simplify right side
    25,321.51x = 486,537,396.97
  5. Step 5: Solve for x
    x = 486,537,396.97/25,321.51
  6. Step 6: Final answer
    x = 19,214.39

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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.