Home / 19,365.46-29,010.12-12,771.52

Finding the Fourth Proportional to 19,365.46, 29,010.12 and 12,771.52

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Solution

The fourth proportional to 19,365.46, 29,010.12 and 12,771.52 is: 19,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.46 : 29,010.12 = 12,771.52 : x
  2. Step 2: Convert to fraction form
    19,365.46/29,010.12 = 12,771.52/x
  3. Step 3: Cross multiply
    19,365.46x = 29,010.12 × 12,771.52
  4. Step 4: Simplify right side
    19,365.46x = 370,503,327.78
  5. Step 5: Solve for x
    x = 370,503,327.78/19,365.46
  6. Step 6: Final answer
    x = 19,132.17

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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.