Home / 19,775.67-29,663.34-6,627.96

Finding the Fourth Proportional to 19,775.67, 29,663.34 and 6,627.96

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Solution

The fourth proportional to 19,775.67, 29,663.34 and 6,627.96 is: 9,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,775.67 : 29,663.34 = 6,627.96 : x
  2. Step 2: Convert to fraction form
    19,775.67/29,663.34 = 6,627.96/x
  3. Step 3: Cross multiply
    19,775.67x = 29,663.34 × 6,627.96
  4. Step 4: Simplify right side
    19,775.67x = 196,607,430.99
  5. Step 5: Solve for x
    x = 196,607,430.99/19,775.67
  6. Step 6: Final answer
    x = 9,941.88

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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.