Home / 14,677.39-20,249.89-8,303.10

Finding the Fourth Proportional to 14,677.39, 20,249.89 and 8,303.10

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Solution

The fourth proportional to 14,677.39, 20,249.89 and 8,303.10 is: 11,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.39 : 20,249.89 = 8,303.10 : x
  2. Step 2: Convert to fraction form
    14,677.39/20,249.89 = 8,303.10/x
  3. Step 3: Cross multiply
    14,677.39x = 20,249.89 × 8,303.10
  4. Step 4: Simplify right side
    14,677.39x = 168,136,861.66
  5. Step 5: Solve for x
    x = 168,136,861.66/14,677.39
  6. Step 6: Final answer
    x = 11,455.50

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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.