Home / 14,112.42-21,171.90-7,544.94

Finding the Fourth Proportional to 14,112.42, 21,171.90 and 7,544.94

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Solution

The fourth proportional to 14,112.42, 21,171.90 and 7,544.94 is: 11,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.42 : 21,171.90 = 7,544.94 : x
  2. Step 2: Convert to fraction form
    14,112.42/21,171.90 = 7,544.94/x
  3. Step 3: Cross multiply
    14,112.42x = 21,171.90 × 7,544.94
  4. Step 4: Simplify right side
    14,112.42x = 159,740,715.19
  5. Step 5: Solve for x
    x = 159,740,715.19/14,112.42
  6. Step 6: Final answer
    x = 11,319.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.