Home / 14,422.34-19,904.82-8,455.48

Finding the Fourth Proportional to 14,422.34, 19,904.82 and 8,455.48

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Solution

The fourth proportional to 14,422.34, 19,904.82 and 8,455.48 is: 11,669.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.34 : 19,904.82 = 8,455.48 : x
  2. Step 2: Convert to fraction form
    14,422.34/19,904.82 = 8,455.48/x
  3. Step 3: Cross multiply
    14,422.34x = 19,904.82 × 8,455.48
  4. Step 4: Simplify right side
    14,422.34x = 168,304,807.41
  5. Step 5: Solve for x
    x = 168,304,807.41/14,422.34
  6. Step 6: Final answer
    x = 11,669.73

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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.