Home / 13,017.28-19,529.31-3,657.34

Finding the Fourth Proportional to 13,017.28, 19,529.31 and 3,657.34

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Solution

The fourth proportional to 13,017.28, 19,529.31 and 3,657.34 is: 5,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.28 : 19,529.31 = 3,657.34 : x
  2. Step 2: Convert to fraction form
    13,017.28/19,529.31 = 3,657.34/x
  3. Step 3: Cross multiply
    13,017.28x = 19,529.31 × 3,657.34
  4. Step 4: Simplify right side
    13,017.28x = 71,425,326.64
  5. Step 5: Solve for x
    x = 71,425,326.64/13,017.28
  6. Step 6: Final answer
    x = 5,486.96

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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.