Home / 19,010.46-28,495.91-7,156.08

Finding the Fourth Proportional to 19,010.46, 28,495.91 and 7,156.08

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Solution

The fourth proportional to 19,010.46, 28,495.91 and 7,156.08 is: 10,726.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.46 : 28,495.91 = 7,156.08 : x
  2. Step 2: Convert to fraction form
    19,010.46/28,495.91 = 7,156.08/x
  3. Step 3: Cross multiply
    19,010.46x = 28,495.91 × 7,156.08
  4. Step 4: Simplify right side
    19,010.46x = 203,918,975.85
  5. Step 5: Solve for x
    x = 203,918,975.85/19,010.46
  6. Step 6: Final answer
    x = 10,726.67

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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.