Home / 14,283.56-19,712.24-7,996.40

Finding the Fourth Proportional to 14,283.56, 19,712.24 and 7,996.40

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Solution

The fourth proportional to 14,283.56, 19,712.24 and 7,996.40 is: 11,035.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.56 : 19,712.24 = 7,996.40 : x
  2. Step 2: Convert to fraction form
    14,283.56/19,712.24 = 7,996.40/x
  3. Step 3: Cross multiply
    14,283.56x = 19,712.24 × 7,996.40
  4. Step 4: Simplify right side
    14,283.56x = 157,626,955.94
  5. Step 5: Solve for x
    x = 157,626,955.94/14,283.56
  6. Step 6: Final answer
    x = 11,035.55

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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.