Home / 10,133.76-13,994.25-9,581.55

Finding the Fourth Proportional to 10,133.76, 13,994.25 and 9,581.55

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Solution

The fourth proportional to 10,133.76, 13,994.25 and 9,581.55 is: 13,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.76 : 13,994.25 = 9,581.55 : x
  2. Step 2: Convert to fraction form
    10,133.76/13,994.25 = 9,581.55/x
  3. Step 3: Cross multiply
    10,133.76x = 13,994.25 × 9,581.55
  4. Step 4: Simplify right side
    10,133.76x = 134,086,606.09
  5. Step 5: Solve for x
    x = 134,086,606.09/10,133.76
  6. Step 6: Final answer
    x = 13,231.67

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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.