Home / 12,928.30-19,394.27-4,606.53

Finding the Fourth Proportional to 12,928.30, 19,394.27 and 4,606.53

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Solution

The fourth proportional to 12,928.30, 19,394.27 and 4,606.53 is: 6,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,928.30 : 19,394.27 = 4,606.53 : x
  2. Step 2: Convert to fraction form
    12,928.30/19,394.27 = 4,606.53/x
  3. Step 3: Cross multiply
    12,928.30x = 19,394.27 × 4,606.53
  4. Step 4: Simplify right side
    12,928.30x = 89,340,263.55
  5. Step 5: Solve for x
    x = 89,340,263.55/12,928.30
  6. Step 6: Final answer
    x = 6,910.44

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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.