Home / 19,543.40-29,296.44-8,439.08

Finding the Fourth Proportional to 19,543.40, 29,296.44 and 8,439.08

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Solution

The fourth proportional to 19,543.40, 29,296.44 and 8,439.08 is: 12,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,543.40 : 29,296.44 = 8,439.08 : x
  2. Step 2: Convert to fraction form
    19,543.40/29,296.44 = 8,439.08/x
  3. Step 3: Cross multiply
    19,543.40x = 29,296.44 × 8,439.08
  4. Step 4: Simplify right side
    19,543.40x = 247,235,000.88
  5. Step 5: Solve for x
    x = 247,235,000.88/19,543.40
  6. Step 6: Final answer
    x = 12,650.56

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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.