Home / 13,011.93-19,518.75-6,436.35

Finding the Fourth Proportional to 13,011.93, 19,518.75 and 6,436.35

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Solution

The fourth proportional to 13,011.93, 19,518.75 and 6,436.35 is: 9,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.93 : 19,518.75 = 6,436.35 : x
  2. Step 2: Convert to fraction form
    13,011.93/19,518.75 = 6,436.35/x
  3. Step 3: Cross multiply
    13,011.93x = 19,518.75 × 6,436.35
  4. Step 4: Simplify right side
    13,011.93x = 125,629,506.56
  5. Step 5: Solve for x
    x = 125,629,506.56/13,011.93
  6. Step 6: Final answer
    x = 9,654.95

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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.