Home / 13,267.40-19,898.97-3,406.15

Finding the Fourth Proportional to 13,267.40, 19,898.97 and 3,406.15

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Solution

The fourth proportional to 13,267.40, 19,898.97 and 3,406.15 is: 5,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267.40 : 19,898.97 = 3,406.15 : x
  2. Step 2: Convert to fraction form
    13,267.40/19,898.97 = 3,406.15/x
  3. Step 3: Cross multiply
    13,267.40x = 19,898.97 × 3,406.15
  4. Step 4: Simplify right side
    13,267.40x = 67,778,888.77
  5. Step 5: Solve for x
    x = 67,778,888.77/13,267.40
  6. Step 6: Final answer
    x = 5,108.68

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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.