Home / 17,980.13-24,814.43-10,812.39

Finding the Fourth Proportional to 17,980.13, 24,814.43 and 10,812.39

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Solution

The fourth proportional to 17,980.13, 24,814.43 and 10,812.39 is: 14,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.13 : 24,814.43 = 10,812.39 : x
  2. Step 2: Convert to fraction form
    17,980.13/24,814.43 = 10,812.39/x
  3. Step 3: Cross multiply
    17,980.13x = 24,814.43 × 10,812.39
  4. Step 4: Simplify right side
    17,980.13x = 268,303,240.73
  5. Step 5: Solve for x
    x = 268,303,240.73/17,980.13
  6. Step 6: Final answer
    x = 14,922.21

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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.