Home / 11,711.10-16,162.84-7,237.02

Finding the Fourth Proportional to 11,711.10, 16,162.84 and 7,237.02

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Solution

The fourth proportional to 11,711.10, 16,162.84 and 7,237.02 is: 9,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.10 : 16,162.84 = 7,237.02 : x
  2. Step 2: Convert to fraction form
    11,711.10/16,162.84 = 7,237.02/x
  3. Step 3: Cross multiply
    11,711.10x = 16,162.84 × 7,237.02
  4. Step 4: Simplify right side
    11,711.10x = 116,970,796.34
  5. Step 5: Solve for x
    x = 116,970,796.34/11,711.10
  6. Step 6: Final answer
    x = 9,988.03

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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.