Home / 15,576.09-21,495.03-8,502.90

Finding the Fourth Proportional to 15,576.09, 21,495.03 and 8,502.90

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Solution

The fourth proportional to 15,576.09, 21,495.03 and 8,502.90 is: 11,734.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.09 : 21,495.03 = 8,502.90 : x
  2. Step 2: Convert to fraction form
    15,576.09/21,495.03 = 8,502.90/x
  3. Step 3: Cross multiply
    15,576.09x = 21,495.03 × 8,502.90
  4. Step 4: Simplify right side
    15,576.09x = 182,770,090.59
  5. Step 5: Solve for x
    x = 182,770,090.59/15,576.09
  6. Step 6: Final answer
    x = 11,734.02

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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.