Home / 13,267.76-19,864.20-7,013.60

Finding the Fourth Proportional to 13,267.76, 19,864.20 and 7,013.60

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Solution

The fourth proportional to 13,267.76, 19,864.20 and 7,013.60 is: 10,500.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.76 : 19,864.20 = 7,013.60 : x
  2. Step 2: Convert to fraction form
    13,267.76/19,864.20 = 7,013.60/x
  3. Step 3: Cross multiply
    13,267.76x = 19,864.20 × 7,013.60
  4. Step 4: Simplify right side
    13,267.76x = 139,319,553.12
  5. Step 5: Solve for x
    x = 139,319,553.12/13,267.76
  6. Step 6: Final answer
    x = 10,500.61

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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.