Home / 16,386.44-22,615.20-9,313.92

Finding the Fourth Proportional to 16,386.44, 22,615.20 and 9,313.92

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Solution

The fourth proportional to 16,386.44, 22,615.20 and 9,313.92 is: 12,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.44 : 22,615.20 = 9,313.92 : x
  2. Step 2: Convert to fraction form
    16,386.44/22,615.20 = 9,313.92/x
  3. Step 3: Cross multiply
    16,386.44x = 22,615.20 × 9,313.92
  4. Step 4: Simplify right side
    16,386.44x = 210,636,163.58
  5. Step 5: Solve for x
    x = 210,636,163.58/16,386.44
  6. Step 6: Final answer
    x = 12,854.30

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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.