Home / 19,613.15-29,403.15-8,511.50

Finding the Fourth Proportional to 19,613.15, 29,403.15 and 8,511.50

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Solution

The fourth proportional to 19,613.15, 29,403.15 and 8,511.50 is: 12,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,613.15 : 29,403.15 = 8,511.50 : x
  2. Step 2: Convert to fraction form
    19,613.15/29,403.15 = 8,511.50/x
  3. Step 3: Cross multiply
    19,613.15x = 29,403.15 × 8,511.50
  4. Step 4: Simplify right side
    19,613.15x = 250,264,835.30
  5. Step 5: Solve for x
    x = 250,264,835.30/19,613.15
  6. Step 6: Final answer
    x = 12,760.05

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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.