Home / 14,254.69-19,670.85-7,794.21

Finding the Fourth Proportional to 14,254.69, 19,670.85 and 7,794.21

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Solution

The fourth proportional to 14,254.69, 19,670.85 and 7,794.21 is: 10,755.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254.69 : 19,670.85 = 7,794.21 : x
  2. Step 2: Convert to fraction form
    14,254.69/19,670.85 = 7,794.21/x
  3. Step 3: Cross multiply
    14,254.69x = 19,670.85 × 7,794.21
  4. Step 4: Simplify right side
    14,254.69x = 153,318,662.01
  5. Step 5: Solve for x
    x = 153,318,662.01/14,254.69
  6. Step 6: Final answer
    x = 10,755.67

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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.