Home / 14,491.07-19,996.28-8,117.16

Finding the Fourth Proportional to 14,491.07, 19,996.28 and 8,117.16

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Solution

The fourth proportional to 14,491.07, 19,996.28 and 8,117.16 is: 11,200.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.07 : 19,996.28 = 8,117.16 : x
  2. Step 2: Convert to fraction form
    14,491.07/19,996.28 = 8,117.16/x
  3. Step 3: Cross multiply
    14,491.07x = 19,996.28 × 8,117.16
  4. Step 4: Simplify right side
    14,491.07x = 162,313,004.16
  5. Step 5: Solve for x
    x = 162,313,004.16/14,491.07
  6. Step 6: Final answer
    x = 11,200.90

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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.