Home / 9,996.37-15,003.65-5,320.31

Finding the Fourth Proportional to 9,996.37, 15,003.65 and 5,320.31

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Solution

The fourth proportional to 9,996.37, 15,003.65 and 5,320.31 is: 7,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,996.37 : 15,003.65 = 5,320.31 : x
  2. Step 2: Convert to fraction form
    9,996.37/15,003.65 = 5,320.31/x
  3. Step 3: Cross multiply
    9,996.37x = 15,003.65 × 5,320.31
  4. Step 4: Simplify right side
    9,996.37x = 79,824,007.41
  5. Step 5: Solve for x
    x = 79,824,007.41/9,996.37
  6. Step 6: Final answer
    x = 7,985.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.