Home / 19,313.21-28,963.33-7,626.53

Finding the Fourth Proportional to 19,313.21, 28,963.33 and 7,626.53

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Solution

The fourth proportional to 19,313.21, 28,963.33 and 7,626.53 is: 11,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,313.21 : 28,963.33 = 7,626.53 : x
  2. Step 2: Convert to fraction form
    19,313.21/28,963.33 = 7,626.53/x
  3. Step 3: Cross multiply
    19,313.21x = 28,963.33 × 7,626.53
  4. Step 4: Simplify right side
    19,313.21x = 220,889,705.14
  5. Step 5: Solve for x
    x = 220,889,705.14/19,313.21
  6. Step 6: Final answer
    x = 11,437.23

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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.