Home / 11,964.88-17,903.43-9,985.62

Finding the Fourth Proportional to 11,964.88, 17,903.43 and 9,985.62

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Solution

The fourth proportional to 11,964.88, 17,903.43 and 9,985.62 is: 14,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.88 : 17,903.43 = 9,985.62 : x
  2. Step 2: Convert to fraction form
    11,964.88/17,903.43 = 9,985.62/x
  3. Step 3: Cross multiply
    11,964.88x = 17,903.43 × 9,985.62
  4. Step 4: Simplify right side
    11,964.88x = 178,776,848.68
  5. Step 5: Solve for x
    x = 178,776,848.68/11,964.88
  6. Step 6: Final answer
    x = 14,941.80

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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.