Home / 18,786.65-25,925.62-10,172.93

Finding the Fourth Proportional to 18,786.65, 25,925.62 and 10,172.93

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Solution

The fourth proportional to 18,786.65, 25,925.62 and 10,172.93 is: 14,038.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.65 : 25,925.62 = 10,172.93 : x
  2. Step 2: Convert to fraction form
    18,786.65/25,925.62 = 10,172.93/x
  3. Step 3: Cross multiply
    18,786.65x = 25,925.62 × 10,172.93
  4. Step 4: Simplify right side
    18,786.65x = 263,739,517.47
  5. Step 5: Solve for x
    x = 263,739,517.47/18,786.65
  6. Step 6: Final answer
    x = 14,038.67

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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.