Home / 19,453.46-29,187.75-7,774.88

Finding the Fourth Proportional to 19,453.46, 29,187.75 and 7,774.88

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Solution

The fourth proportional to 19,453.46, 29,187.75 and 7,774.88 is: 11,665.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,453.46 : 29,187.75 = 7,774.88 : x
  2. Step 2: Convert to fraction form
    19,453.46/29,187.75 = 7,774.88/x
  3. Step 3: Cross multiply
    19,453.46x = 29,187.75 × 7,774.88
  4. Step 4: Simplify right side
    19,453.46x = 226,931,253.72
  5. Step 5: Solve for x
    x = 226,931,253.72/19,453.46
  6. Step 6: Final answer
    x = 11,665.34

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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.