Home / 14,289.60-19,717.92-8,322.24

Finding the Fourth Proportional to 14,289.60, 19,717.92 and 8,322.24

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Solution

The fourth proportional to 14,289.60, 19,717.92 and 8,322.24 is: 11,483.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289.60 : 19,717.92 = 8,322.24 : x
  2. Step 2: Convert to fraction form
    14,289.60/19,717.92 = 8,322.24/x
  3. Step 3: Cross multiply
    14,289.60x = 19,717.92 × 8,322.24
  4. Step 4: Simplify right side
    14,289.60x = 164,097,262.54
  5. Step 5: Solve for x
    x = 164,097,262.54/14,289.60
  6. Step 6: Final answer
    x = 11,483.68

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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.