Home / 15,576.90-21,496.01-8,503.31

Finding the Fourth Proportional to 15,576.90, 21,496.01 and 8,503.31

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Solution

The fourth proportional to 15,576.90, 21,496.01 and 8,503.31 is: 11,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.90 : 21,496.01 = 8,503.31 : x
  2. Step 2: Convert to fraction form
    15,576.90/21,496.01 = 8,503.31/x
  3. Step 3: Cross multiply
    15,576.90x = 21,496.01 × 8,503.31
  4. Step 4: Simplify right side
    15,576.90x = 182,787,248.02
  5. Step 5: Solve for x
    x = 182,787,248.02/15,576.90
  6. Step 6: Final answer
    x = 11,734.51

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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.