Home / 13,303.36-19,960.92-6,976.72

Finding the Fourth Proportional to 13,303.36, 19,960.92 and 6,976.72

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Solution

The fourth proportional to 13,303.36, 19,960.92 and 6,976.72 is: 10,468.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.36 : 19,960.92 = 6,976.72 : x
  2. Step 2: Convert to fraction form
    13,303.36/19,960.92 = 6,976.72/x
  3. Step 3: Cross multiply
    13,303.36x = 19,960.92 × 6,976.72
  4. Step 4: Simplify right side
    13,303.36x = 139,261,749.78
  5. Step 5: Solve for x
    x = 139,261,749.78/13,303.36
  6. Step 6: Final answer
    x = 10,468.16

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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.