Home / 10,003.43-15,005.37-4,740.92

Finding the Fourth Proportional to 10,003.43, 15,005.37 and 4,740.92

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Solution

The fourth proportional to 10,003.43, 15,005.37 and 4,740.92 is: 7,111.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.43 : 15,005.37 = 4,740.92 : x
  2. Step 2: Convert to fraction form
    10,003.43/15,005.37 = 4,740.92/x
  3. Step 3: Cross multiply
    10,003.43x = 15,005.37 × 4,740.92
  4. Step 4: Simplify right side
    10,003.43x = 71,139,183.71
  5. Step 5: Solve for x
    x = 71,139,183.71/10,003.43
  6. Step 6: Final answer
    x = 7,111.48

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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.