Home / 12,968.29-19,455.90-4,650.67

Finding the Fourth Proportional to 12,968.29, 19,455.90 and 4,650.67

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Solution

The fourth proportional to 12,968.29, 19,455.90 and 4,650.67 is: 6,977.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.29 : 19,455.90 = 4,650.67 : x
  2. Step 2: Convert to fraction form
    12,968.29/19,455.90 = 4,650.67/x
  3. Step 3: Cross multiply
    12,968.29x = 19,455.90 × 4,650.67
  4. Step 4: Simplify right side
    12,968.29x = 90,482,970.45
  5. Step 5: Solve for x
    x = 90,482,970.45/12,968.29
  6. Step 6: Final answer
    x = 6,977.25

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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.