Home / 14,304.55-19,737.06-8,640.22

Finding the Fourth Proportional to 14,304.55, 19,737.06 and 8,640.22

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Solution

The fourth proportional to 14,304.55, 19,737.06 and 8,640.22 is: 11,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.55 : 19,737.06 = 8,640.22 : x
  2. Step 2: Convert to fraction form
    14,304.55/19,737.06 = 8,640.22/x
  3. Step 3: Cross multiply
    14,304.55x = 19,737.06 × 8,640.22
  4. Step 4: Simplify right side
    14,304.55x = 170,532,540.55
  5. Step 5: Solve for x
    x = 170,532,540.55/14,304.55
  6. Step 6: Final answer
    x = 11,921.56

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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.