Home / 19,426.11-29,153.34-7,742.67

Finding the Fourth Proportional to 19,426.11, 29,153.34 and 7,742.67

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Solution

The fourth proportional to 19,426.11, 29,153.34 and 7,742.67 is: 11,619.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.11 : 29,153.34 = 7,742.67 : x
  2. Step 2: Convert to fraction form
    19,426.11/29,153.34 = 7,742.67/x
  3. Step 3: Cross multiply
    19,426.11x = 29,153.34 × 7,742.67
  4. Step 4: Simplify right side
    19,426.11x = 225,724,691.02
  5. Step 5: Solve for x
    x = 225,724,691.02/19,426.11
  6. Step 6: Final answer
    x = 11,619.65

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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.