Home / 13,264.76-19,880.74-6,687.36

Finding the Fourth Proportional to 13,264.76, 19,880.74 and 6,687.36

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Solution

The fourth proportional to 13,264.76, 19,880.74 and 6,687.36 is: 10,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.76 : 19,880.74 = 6,687.36 : x
  2. Step 2: Convert to fraction form
    13,264.76/19,880.74 = 6,687.36/x
  3. Step 3: Cross multiply
    13,264.76x = 19,880.74 × 6,687.36
  4. Step 4: Simplify right side
    13,264.76x = 132,949,673.81
  5. Step 5: Solve for x
    x = 132,949,673.81/13,264.76
  6. Step 6: Final answer
    x = 10,022.77

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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.