Home / 13,008.03-19,511.23-8,011.35

Finding the Fourth Proportional to 13,008.03, 19,511.23 and 8,011.35

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Solution

The fourth proportional to 13,008.03, 19,511.23 and 8,011.35 is: 12,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.03 : 19,511.23 = 8,011.35 : x
  2. Step 2: Convert to fraction form
    13,008.03/19,511.23 = 8,011.35/x
  3. Step 3: Cross multiply
    13,008.03x = 19,511.23 × 8,011.35
  4. Step 4: Simplify right side
    13,008.03x = 156,311,287.45
  5. Step 5: Solve for x
    x = 156,311,287.45/13,008.03
  6. Step 6: Final answer
    x = 12,016.53

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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.