Home / 12,788.57-19,170.45-6,551.52

Finding the Fourth Proportional to 12,788.57, 19,170.45 and 6,551.52

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Solution

The fourth proportional to 12,788.57, 19,170.45 and 6,551.52 is: 9,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,788.57 : 19,170.45 = 6,551.52 : x
  2. Step 2: Convert to fraction form
    12,788.57/19,170.45 = 6,551.52/x
  3. Step 3: Cross multiply
    12,788.57x = 19,170.45 × 6,551.52
  4. Step 4: Simplify right side
    12,788.57x = 125,595,586.58
  5. Step 5: Solve for x
    x = 125,595,586.58/12,788.57
  6. Step 6: Final answer
    x = 9,820.93

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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.