Home / 15,651.33-23,418.12-10,980.45

Finding the Fourth Proportional to 15,651.33, 23,418.12 and 10,980.45

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Solution

The fourth proportional to 15,651.33, 23,418.12 and 10,980.45 is: 16,429.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.33 : 23,418.12 = 10,980.45 : x
  2. Step 2: Convert to fraction form
    15,651.33/23,418.12 = 10,980.45/x
  3. Step 3: Cross multiply
    15,651.33x = 23,418.12 × 10,980.45
  4. Step 4: Simplify right side
    15,651.33x = 257,141,495.75
  5. Step 5: Solve for x
    x = 257,141,495.75/15,651.33
  6. Step 6: Final answer
    x = 16,429.37

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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.