Home / 13,230.34-19,845.51-6,283.78

Finding the Fourth Proportional to 13,230.34, 19,845.51 and 6,283.78

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Solution

The fourth proportional to 13,230.34, 19,845.51 and 6,283.78 is: 9,425.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230.34 : 19,845.51 = 6,283.78 : x
  2. Step 2: Convert to fraction form
    13,230.34/19,845.51 = 6,283.78/x
  3. Step 3: Cross multiply
    13,230.34x = 19,845.51 × 6,283.78
  4. Step 4: Simplify right side
    13,230.34x = 124,704,818.83
  5. Step 5: Solve for x
    x = 124,704,818.83/13,230.34
  6. Step 6: Final answer
    x = 9,425.67

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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.