Home / 11,458.40-17,191.13-9,474.98

Finding the Fourth Proportional to 11,458.40, 17,191.13 and 9,474.98

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Solution

The fourth proportional to 11,458.40, 17,191.13 and 9,474.98 is: 14,215.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,458.40 : 17,191.13 = 9,474.98 : x
  2. Step 2: Convert to fraction form
    11,458.40/17,191.13 = 9,474.98/x
  3. Step 3: Cross multiply
    11,458.40x = 17,191.13 × 9,474.98
  4. Step 4: Simplify right side
    11,458.40x = 162,885,479.60
  5. Step 5: Solve for x
    x = 162,885,479.60/11,458.40
  6. Step 6: Final answer
    x = 14,215.38

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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.