Home / 15,367.37-21,207.35-9,402.39

Finding the Fourth Proportional to 15,367.37, 21,207.35 and 9,402.39

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Solution

The fourth proportional to 15,367.37, 21,207.35 and 9,402.39 is: 12,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,367.37 : 21,207.35 = 9,402.39 : x
  2. Step 2: Convert to fraction form
    15,367.37/21,207.35 = 9,402.39/x
  3. Step 3: Cross multiply
    15,367.37x = 21,207.35 × 9,402.39
  4. Step 4: Simplify right side
    15,367.37x = 199,399,799.07
  5. Step 5: Solve for x
    x = 199,399,799.07/15,367.37
  6. Step 6: Final answer
    x = 12,975.54

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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.