Home / 14,276.56-19,705.80-8,697.68

Finding the Fourth Proportional to 14,276.56, 19,705.80 and 8,697.68

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Solution

The fourth proportional to 14,276.56, 19,705.80 and 8,697.68 is: 12,005.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.56 : 19,705.80 = 8,697.68 : x
  2. Step 2: Convert to fraction form
    14,276.56/19,705.80 = 8,697.68/x
  3. Step 3: Cross multiply
    14,276.56x = 19,705.80 × 8,697.68
  4. Step 4: Simplify right side
    14,276.56x = 171,394,742.54
  5. Step 5: Solve for x
    x = 171,394,742.54/14,276.56
  6. Step 6: Final answer
    x = 12,005.32

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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.