Home / 13,029.60-19,539.54-5,235.78

Finding the Fourth Proportional to 13,029.60, 19,539.54 and 5,235.78

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Solution

The fourth proportional to 13,029.60, 19,539.54 and 5,235.78 is: 7,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.60 : 19,539.54 = 5,235.78 : x
  2. Step 2: Convert to fraction form
    13,029.60/19,539.54 = 5,235.78/x
  3. Step 3: Cross multiply
    13,029.60x = 19,539.54 × 5,235.78
  4. Step 4: Simplify right side
    13,029.60x = 102,304,732.74
  5. Step 5: Solve for x
    x = 102,304,732.74/13,029.60
  6. Step 6: Final answer
    x = 7,851.72

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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.