Home / 19,401.21-26,748.14-12,675.15

Finding the Fourth Proportional to 19,401.21, 26,748.14 and 12,675.15

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Solution

The fourth proportional to 19,401.21, 26,748.14 and 12,675.15 is: 17,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.21 : 26,748.14 = 12,675.15 : x
  2. Step 2: Convert to fraction form
    19,401.21/26,748.14 = 12,675.15/x
  3. Step 3: Cross multiply
    19,401.21x = 26,748.14 × 12,675.15
  4. Step 4: Simplify right side
    19,401.21x = 339,036,623.35
  5. Step 5: Solve for x
    x = 339,036,623.35/19,401.21
  6. Step 6: Final answer
    x = 17,475.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.