Home / 18,284.28-25,204.14-14,921.16

Finding the Fourth Proportional to 18,284.28, 25,204.14 and 14,921.16

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Solution

The fourth proportional to 18,284.28, 25,204.14 and 14,921.16 is: 20,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.28 : 25,204.14 = 14,921.16 : x
  2. Step 2: Convert to fraction form
    18,284.28/25,204.14 = 14,921.16/x
  3. Step 3: Cross multiply
    18,284.28x = 25,204.14 × 14,921.16
  4. Step 4: Simplify right side
    18,284.28x = 376,075,005.60
  5. Step 5: Solve for x
    x = 376,075,005.60/18,284.28
  6. Step 6: Final answer
    x = 20,568.22

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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.