Home / 12,948.54-17,875.44-8,479.14

Finding the Fourth Proportional to 12,948.54, 17,875.44 and 8,479.14

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Solution

The fourth proportional to 12,948.54, 17,875.44 and 8,479.14 is: 11,705.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.54 : 17,875.44 = 8,479.14 : x
  2. Step 2: Convert to fraction form
    12,948.54/17,875.44 = 8,479.14/x
  3. Step 3: Cross multiply
    12,948.54x = 17,875.44 × 8,479.14
  4. Step 4: Simplify right side
    12,948.54x = 151,568,358.32
  5. Step 5: Solve for x
    x = 151,568,358.32/12,948.54
  6. Step 6: Final answer
    x = 11,705.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.