Home / 19,015.83-28,516.46-13,154.67

Finding the Fourth Proportional to 19,015.83, 28,516.46 and 13,154.67

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Solution

The fourth proportional to 19,015.83, 28,516.46 and 13,154.67 is: 19,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.83 : 28,516.46 = 13,154.67 : x
  2. Step 2: Convert to fraction form
    19,015.83/28,516.46 = 13,154.67/x
  3. Step 3: Cross multiply
    19,015.83x = 28,516.46 × 13,154.67
  4. Step 4: Simplify right side
    19,015.83x = 375,124,555.09
  5. Step 5: Solve for x
    x = 375,124,555.09/19,015.83
  6. Step 6: Final answer
    x = 19,726.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.