Home / 13,267.59-19,889.64-8,591.19

Finding the Fourth Proportional to 13,267.59, 19,889.64 and 8,591.19

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Solution

The fourth proportional to 13,267.59, 19,889.64 and 8,591.19 is: 12,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.59 : 19,889.64 = 8,591.19 : x
  2. Step 2: Convert to fraction form
    13,267.59/19,889.64 = 8,591.19/x
  3. Step 3: Cross multiply
    13,267.59x = 19,889.64 × 8,591.19
  4. Step 4: Simplify right side
    13,267.59x = 170,875,676.27
  5. Step 5: Solve for x
    x = 170,875,676.27/13,267.59
  6. Step 6: Final answer
    x = 12,879.18

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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.