Home / 18,816.26-25,966.72-10,319.16

Finding the Fourth Proportional to 18,816.26, 25,966.72 and 10,319.16

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Solution

The fourth proportional to 18,816.26, 25,966.72 and 10,319.16 is: 14,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,816.26 : 25,966.72 = 10,319.16 : x
  2. Step 2: Convert to fraction form
    18,816.26/25,966.72 = 10,319.16/x
  3. Step 3: Cross multiply
    18,816.26x = 25,966.72 × 10,319.16
  4. Step 4: Simplify right side
    18,816.26x = 267,954,738.36
  5. Step 5: Solve for x
    x = 267,954,738.36/18,816.26
  6. Step 6: Final answer
    x = 14,240.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.