Home / 13,298.11-18,351.43-7,993.01

Finding the Fourth Proportional to 13,298.11, 18,351.43 and 7,993.01

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Solution

The fourth proportional to 13,298.11, 18,351.43 and 7,993.01 is: 11,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.11 : 18,351.43 = 7,993.01 : x
  2. Step 2: Convert to fraction form
    13,298.11/18,351.43 = 7,993.01/x
  3. Step 3: Cross multiply
    13,298.11x = 18,351.43 × 7,993.01
  4. Step 4: Simplify right side
    13,298.11x = 146,683,189.40
  5. Step 5: Solve for x
    x = 146,683,189.40/13,298.11
  6. Step 6: Final answer
    x = 11,030.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.