Home / 13,109.10-19,663.65-6,197.10

Finding the Fourth Proportional to 13,109.10, 19,663.65 and 6,197.10

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Solution

The fourth proportional to 13,109.10, 19,663.65 and 6,197.10 is: 9,295.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109.10 : 19,663.65 = 6,197.10 : x
  2. Step 2: Convert to fraction form
    13,109.10/19,663.65 = 6,197.10/x
  3. Step 3: Cross multiply
    13,109.10x = 19,663.65 × 6,197.10
  4. Step 4: Simplify right side
    13,109.10x = 121,857,605.42
  5. Step 5: Solve for x
    x = 121,857,605.42/13,109.10
  6. Step 6: Final answer
    x = 9,295.65

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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.