Home / 18,171.19-25,075.28-10,212.89

Finding the Fourth Proportional to 18,171.19, 25,075.28 and 10,212.89

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Solution

The fourth proportional to 18,171.19, 25,075.28 and 10,212.89 is: 14,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.19 : 25,075.28 = 10,212.89 : x
  2. Step 2: Convert to fraction form
    18,171.19/25,075.28 = 10,212.89/x
  3. Step 3: Cross multiply
    18,171.19x = 25,075.28 × 10,212.89
  4. Step 4: Simplify right side
    18,171.19x = 256,091,025.29
  5. Step 5: Solve for x
    x = 256,091,025.29/18,171.19
  6. Step 6: Final answer
    x = 14,093.25

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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.