Home / 13,304.09-19,915.38-8,614.77

Finding the Fourth Proportional to 13,304.09, 19,915.38 and 8,614.77

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Solution

The fourth proportional to 13,304.09, 19,915.38 and 8,614.77 is: 12,895.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,304.09 : 19,915.38 = 8,614.77 : x
  2. Step 2: Convert to fraction form
    13,304.09/19,915.38 = 8,614.77/x
  3. Step 3: Cross multiply
    13,304.09x = 19,915.38 × 8,614.77
  4. Step 4: Simplify right side
    13,304.09x = 171,566,311.17
  5. Step 5: Solve for x
    x = 171,566,311.17/13,304.09
  6. Step 6: Final answer
    x = 12,895.76

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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.