Home / 14,956.17-20,636.72-8,987.94

Finding the Fourth Proportional to 14,956.17, 20,636.72 and 8,987.94

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Solution

The fourth proportional to 14,956.17, 20,636.72 and 8,987.94 is: 12,401.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.17 : 20,636.72 = 8,987.94 : x
  2. Step 2: Convert to fraction form
    14,956.17/20,636.72 = 8,987.94/x
  3. Step 3: Cross multiply
    14,956.17x = 20,636.72 × 8,987.94
  4. Step 4: Simplify right side
    14,956.17x = 185,481,556.22
  5. Step 5: Solve for x
    x = 185,481,556.22/14,956.17
  6. Step 6: Final answer
    x = 12,401.67

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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.