Home / 18,361.28-25,340.02-10,405.46

Finding the Fourth Proportional to 18,361.28, 25,340.02 and 10,405.46

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Solution

The fourth proportional to 18,361.28, 25,340.02 and 10,405.46 is: 14,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,361.28 : 25,340.02 = 10,405.46 : x
  2. Step 2: Convert to fraction form
    18,361.28/25,340.02 = 10,405.46/x
  3. Step 3: Cross multiply
    18,361.28x = 25,340.02 × 10,405.46
  4. Step 4: Simplify right side
    18,361.28x = 263,674,564.51
  5. Step 5: Solve for x
    x = 263,674,564.51/18,361.28
  6. Step 6: Final answer
    x = 14,360.36

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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.