Home / 10,665.52-16,003.44-4,430.32

Finding the Fourth Proportional to 10,665.52, 16,003.44 and 4,430.32

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Solution

The fourth proportional to 10,665.52, 16,003.44 and 4,430.32 is: 6,647.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.52 : 16,003.44 = 4,430.32 : x
  2. Step 2: Convert to fraction form
    10,665.52/16,003.44 = 4,430.32/x
  3. Step 3: Cross multiply
    10,665.52x = 16,003.44 × 4,430.32
  4. Step 4: Simplify right side
    10,665.52x = 70,900,360.30
  5. Step 5: Solve for x
    x = 70,900,360.30/10,665.52
  6. Step 6: Final answer
    x = 6,647.62

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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.