Home / 19,528.61-29,296.04-8,438.67

Finding the Fourth Proportional to 19,528.61, 29,296.04 and 8,438.67

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Solution

The fourth proportional to 19,528.61, 29,296.04 and 8,438.67 is: 12,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.61 : 29,296.04 = 8,438.67 : x
  2. Step 2: Convert to fraction form
    19,528.61/29,296.04 = 8,438.67/x
  3. Step 3: Cross multiply
    19,528.61x = 29,296.04 × 8,438.67
  4. Step 4: Simplify right side
    19,528.61x = 247,219,571.67
  5. Step 5: Solve for x
    x = 247,219,571.67/19,528.61
  6. Step 6: Final answer
    x = 12,659.36

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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.