Home / 15,576.51-21,494.77-8,501.56

Finding the Fourth Proportional to 15,576.51, 21,494.77 and 8,501.56

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Solution

The fourth proportional to 15,576.51, 21,494.77 and 8,501.56 is: 11,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.51 : 21,494.77 = 8,501.56 : x
  2. Step 2: Convert to fraction form
    15,576.51/21,494.77 = 8,501.56/x
  3. Step 3: Cross multiply
    15,576.51x = 21,494.77 × 8,501.56
  4. Step 4: Simplify right side
    15,576.51x = 182,739,076.84
  5. Step 5: Solve for x
    x = 182,739,076.84/15,576.51
  6. Step 6: Final answer
    x = 11,731.71

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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.