Home / 10,670.32-15,996.80-4,003.08

Finding the Fourth Proportional to 10,670.32, 15,996.80 and 4,003.08

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Solution

The fourth proportional to 10,670.32, 15,996.80 and 4,003.08 is: 6,001.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.32 : 15,996.80 = 4,003.08 : x
  2. Step 2: Convert to fraction form
    10,670.32/15,996.80 = 4,003.08/x
  3. Step 3: Cross multiply
    10,670.32x = 15,996.80 × 4,003.08
  4. Step 4: Simplify right side
    10,670.32x = 64,036,470.14
  5. Step 5: Solve for x
    x = 64,036,470.14/10,670.32
  6. Step 6: Final answer
    x = 6,001.36

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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.