Home / 14,429.73-19,909.64-8,764.32

Finding the Fourth Proportional to 14,429.73, 19,909.64 and 8,764.32

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Solution

The fourth proportional to 14,429.73, 19,909.64 and 8,764.32 is: 12,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.73 : 19,909.64 = 8,764.32 : x
  2. Step 2: Convert to fraction form
    14,429.73/19,909.64 = 8,764.32/x
  3. Step 3: Cross multiply
    14,429.73x = 19,909.64 × 8,764.32
  4. Step 4: Simplify right side
    14,429.73x = 174,494,356.50
  5. Step 5: Solve for x
    x = 174,494,356.50/14,429.73
  6. Step 6: Final answer
    x = 12,092.70

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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.