Home / 15,542.64-21,457.37-11,573.24

Finding the Fourth Proportional to 15,542.64, 21,457.37 and 11,573.24

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Solution

The fourth proportional to 15,542.64, 21,457.37 and 11,573.24 is: 15,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.64 : 21,457.37 = 11,573.24 : x
  2. Step 2: Convert to fraction form
    15,542.64/21,457.37 = 11,573.24/x
  3. Step 3: Cross multiply
    15,542.64x = 21,457.37 × 11,573.24
  4. Step 4: Simplify right side
    15,542.64x = 248,331,214.43
  5. Step 5: Solve for x
    x = 248,331,214.43/15,542.64
  6. Step 6: Final answer
    x = 15,977.42

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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.