Home / 10,478.22-14,467.35-6,948.78

Finding the Fourth Proportional to 10,478.22, 14,467.35 and 6,948.78

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Solution

The fourth proportional to 10,478.22, 14,467.35 and 6,948.78 is: 9,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.22 : 14,467.35 = 6,948.78 : x
  2. Step 2: Convert to fraction form
    10,478.22/14,467.35 = 6,948.78/x
  3. Step 3: Cross multiply
    10,478.22x = 14,467.35 × 6,948.78
  4. Step 4: Simplify right side
    10,478.22x = 100,530,432.33
  5. Step 5: Solve for x
    x = 100,530,432.33/10,478.22
  6. Step 6: Final answer
    x = 9,594.23

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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.