Home / 13,795.98-20,677.76-6,384.78

Finding the Fourth Proportional to 13,795.98, 20,677.76 and 6,384.78

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Solution

The fourth proportional to 13,795.98, 20,677.76 and 6,384.78 is: 9,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.98 : 20,677.76 = 6,384.78 : x
  2. Step 2: Convert to fraction form
    13,795.98/20,677.76 = 6,384.78/x
  3. Step 3: Cross multiply
    13,795.98x = 20,677.76 × 6,384.78
  4. Step 4: Simplify right side
    13,795.98x = 132,022,948.49
  5. Step 5: Solve for x
    x = 132,022,948.49/13,795.98
  6. Step 6: Final answer
    x = 9,569.67

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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.