Home / 12,948.35-19,410.23-8,255.18

Finding the Fourth Proportional to 12,948.35, 19,410.23 and 8,255.18

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Solution

The fourth proportional to 12,948.35, 19,410.23 and 8,255.18 is: 12,374.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.35 : 19,410.23 = 8,255.18 : x
  2. Step 2: Convert to fraction form
    12,948.35/19,410.23 = 8,255.18/x
  3. Step 3: Cross multiply
    12,948.35x = 19,410.23 × 8,255.18
  4. Step 4: Simplify right side
    12,948.35x = 160,235,011.65
  5. Step 5: Solve for x
    x = 160,235,011.65/12,948.35
  6. Step 6: Final answer
    x = 12,374.94

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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.