Home / 18,179.40-25,086.93-10,222.08

Finding the Fourth Proportional to 18,179.40, 25,086.93 and 10,222.08

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Solution

The fourth proportional to 18,179.40, 25,086.93 and 10,222.08 is: 14,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.40 : 25,086.93 = 10,222.08 : x
  2. Step 2: Convert to fraction form
    18,179.40/25,086.93 = 10,222.08/x
  3. Step 3: Cross multiply
    18,179.40x = 25,086.93 × 10,222.08
  4. Step 4: Simplify right side
    18,179.40x = 256,440,605.41
  5. Step 5: Solve for x
    x = 256,440,605.41/18,179.40
  6. Step 6: Final answer
    x = 14,106.11

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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.