Home / 13,285.50-19,925.15-3,926.13

Finding the Fourth Proportional to 13,285.50, 19,925.15 and 3,926.13

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Solution

The fourth proportional to 13,285.50, 19,925.15 and 3,926.13 is: 5,888.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285.50 : 19,925.15 = 3,926.13 : x
  2. Step 2: Convert to fraction form
    13,285.50/19,925.15 = 3,926.13/x
  3. Step 3: Cross multiply
    13,285.50x = 19,925.15 × 3,926.13
  4. Step 4: Simplify right side
    13,285.50x = 78,228,709.54
  5. Step 5: Solve for x
    x = 78,228,709.54/13,285.50
  6. Step 6: Final answer
    x = 5,888.28

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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.