Home / 14,428.98-19,908.60-8,763.57

Finding the Fourth Proportional to 14,428.98, 19,908.60 and 8,763.57

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Solution

The fourth proportional to 14,428.98, 19,908.60 and 8,763.57 is: 12,091.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.98 : 19,908.60 = 8,763.57 : x
  2. Step 2: Convert to fraction form
    14,428.98/19,908.60 = 8,763.57/x
  3. Step 3: Cross multiply
    14,428.98x = 19,908.60 × 8,763.57
  4. Step 4: Simplify right side
    14,428.98x = 174,470,409.70
  5. Step 5: Solve for x
    x = 174,470,409.70/14,428.98
  6. Step 6: Final answer
    x = 12,091.67

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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.