Home / 10,163.79-14,030.72-7,182.03

Finding the Fourth Proportional to 10,163.79, 14,030.72 and 7,182.03

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Solution

The fourth proportional to 10,163.79, 14,030.72 and 7,182.03 is: 9,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.79 : 14,030.72 = 7,182.03 : x
  2. Step 2: Convert to fraction form
    10,163.79/14,030.72 = 7,182.03/x
  3. Step 3: Cross multiply
    10,163.79x = 14,030.72 × 7,182.03
  4. Step 4: Simplify right side
    10,163.79x = 100,769,016.05
  5. Step 5: Solve for x
    x = 100,769,016.05/10,163.79
  6. Step 6: Final answer
    x = 9,914.51

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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.