Home / 13,017.83-17,956.53-9,611.36

Finding the Fourth Proportional to 13,017.83, 17,956.53 and 9,611.36

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Solution

The fourth proportional to 13,017.83, 17,956.53 and 9,611.36 is: 13,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.83 : 17,956.53 = 9,611.36 : x
  2. Step 2: Convert to fraction form
    13,017.83/17,956.53 = 9,611.36/x
  3. Step 3: Cross multiply
    13,017.83x = 17,956.53 × 9,611.36
  4. Step 4: Simplify right side
    13,017.83x = 172,586,674.18
  5. Step 5: Solve for x
    x = 172,586,674.18/13,017.83
  6. Step 6: Final answer
    x = 13,257.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.