Home / 18,948.20-26,148.69-10,450.64

Finding the Fourth Proportional to 18,948.20, 26,148.69 and 10,450.64

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Solution

The fourth proportional to 18,948.20, 26,148.69 and 10,450.64 is: 14,421.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.20 : 26,148.69 = 10,450.64 : x
  2. Step 2: Convert to fraction form
    18,948.20/26,148.69 = 10,450.64/x
  3. Step 3: Cross multiply
    18,948.20x = 26,148.69 × 10,450.64
  4. Step 4: Simplify right side
    18,948.20x = 273,270,611.03
  5. Step 5: Solve for x
    x = 273,270,611.03/18,948.20
  6. Step 6: Final answer
    x = 14,421.99

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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.