Home / 16,424.56-22,691.64-15,615.37

Finding the Fourth Proportional to 16,424.56, 22,691.64 and 15,615.37

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Solution

The fourth proportional to 16,424.56, 22,691.64 and 15,615.37 is: 21,573.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,424.56 : 22,691.64 = 15,615.37 : x
  2. Step 2: Convert to fraction form
    16,424.56/22,691.64 = 15,615.37/x
  3. Step 3: Cross multiply
    16,424.56x = 22,691.64 × 15,615.37
  4. Step 4: Simplify right side
    16,424.56x = 354,338,354.51
  5. Step 5: Solve for x
    x = 354,338,354.51/16,424.56
  6. Step 6: Final answer
    x = 21,573.69

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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.