Home / 10,606.20-14,636.80-5,890.38

Finding the Fourth Proportional to 10,606.20, 14,636.80 and 5,890.38

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Solution

The fourth proportional to 10,606.20, 14,636.80 and 5,890.38 is: 8,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,606.20 : 14,636.80 = 5,890.38 : x
  2. Step 2: Convert to fraction form
    10,606.20/14,636.80 = 5,890.38/x
  3. Step 3: Cross multiply
    10,606.20x = 14,636.80 × 5,890.38
  4. Step 4: Simplify right side
    10,606.20x = 86,216,313.98
  5. Step 5: Solve for x
    x = 86,216,313.98/10,606.20
  6. Step 6: Final answer
    x = 8,128.86

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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.