Home / 14,429.09-19,917.45-8,465.77

Finding the Fourth Proportional to 14,429.09, 19,917.45 and 8,465.77

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Solution

The fourth proportional to 14,429.09, 19,917.45 and 8,465.77 is: 11,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.09 : 19,917.45 = 8,465.77 : x
  2. Step 2: Convert to fraction form
    14,429.09/19,917.45 = 8,465.77/x
  3. Step 3: Cross multiply
    14,429.09x = 19,917.45 × 8,465.77
  4. Step 4: Simplify right side
    14,429.09x = 168,616,550.69
  5. Step 5: Solve for x
    x = 168,616,550.69/14,429.09
  6. Step 6: Final answer
    x = 11,685.88

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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.