Home / 14,680.44-20,260.08-8,392.68

Finding the Fourth Proportional to 14,680.44, 20,260.08 and 8,392.68

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Solution

The fourth proportional to 14,680.44, 20,260.08 and 8,392.68 is: 11,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.44 : 20,260.08 = 8,392.68 : x
  2. Step 2: Convert to fraction form
    14,680.44/20,260.08 = 8,392.68/x
  3. Step 3: Cross multiply
    14,680.44x = 20,260.08 × 8,392.68
  4. Step 4: Simplify right side
    14,680.44x = 170,036,368.21
  5. Step 5: Solve for x
    x = 170,036,368.21/14,680.44
  6. Step 6: Final answer
    x = 11,582.51

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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.