Home / 12,950.97-19,430.56-4,630.81

Finding the Fourth Proportional to 12,950.97, 19,430.56 and 4,630.81

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Solution

The fourth proportional to 12,950.97, 19,430.56 and 4,630.81 is: 6,947.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.97 : 19,430.56 = 4,630.81 : x
  2. Step 2: Convert to fraction form
    12,950.97/19,430.56 = 4,630.81/x
  3. Step 3: Cross multiply
    12,950.97x = 19,430.56 × 4,630.81
  4. Step 4: Simplify right side
    12,950.97x = 89,979,231.55
  5. Step 5: Solve for x
    x = 89,979,231.55/12,950.97
  6. Step 6: Final answer
    x = 6,947.68

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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.