Home / 9,993.10-14,989.66-3,419.34

Finding the Fourth Proportional to 9,993.10, 14,989.66 and 3,419.34

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Solution

The fourth proportional to 9,993.10, 14,989.66 and 3,419.34 is: 5,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.10 : 14,989.66 = 3,419.34 : x
  2. Step 2: Convert to fraction form
    9,993.10/14,989.66 = 3,419.34/x
  3. Step 3: Cross multiply
    9,993.10x = 14,989.66 × 3,419.34
  4. Step 4: Simplify right side
    9,993.10x = 51,254,744.02
  5. Step 5: Solve for x
    x = 51,254,744.02/9,993.10
  6. Step 6: Final answer
    x = 5,129.01

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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.