Home / 12,879.04-19,328.32-8,495.04

Finding the Fourth Proportional to 12,879.04, 19,328.32 and 8,495.04

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Solution

The fourth proportional to 12,879.04, 19,328.32 and 8,495.04 is: 12,749.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879.04 : 19,328.32 = 8,495.04 : x
  2. Step 2: Convert to fraction form
    12,879.04/19,328.32 = 8,495.04/x
  3. Step 3: Cross multiply
    12,879.04x = 19,328.32 × 8,495.04
  4. Step 4: Simplify right side
    12,879.04x = 164,194,851.53
  5. Step 5: Solve for x
    x = 164,194,851.53/12,879.04
  6. Step 6: Final answer
    x = 12,749.00

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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.