Home / 13,008.86-19,513.15-6,765.65

Finding the Fourth Proportional to 13,008.86, 19,513.15 and 6,765.65

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Solution

The fourth proportional to 13,008.86, 19,513.15 and 6,765.65 is: 10,148.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.86 : 19,513.15 = 6,765.65 : x
  2. Step 2: Convert to fraction form
    13,008.86/19,513.15 = 6,765.65/x
  3. Step 3: Cross multiply
    13,008.86x = 19,513.15 × 6,765.65
  4. Step 4: Simplify right side
    13,008.86x = 132,019,143.30
  5. Step 5: Solve for x
    x = 132,019,143.30/13,008.86
  6. Step 6: Final answer
    x = 10,148.40

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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.