Home / 20,259.14-27,957.56-11,306.54

Finding the Fourth Proportional to 20,259.14, 27,957.56 and 11,306.54

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Solution

The fourth proportional to 20,259.14, 27,957.56 and 11,306.54 is: 15,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,259.14 : 27,957.56 = 11,306.54 : x
  2. Step 2: Convert to fraction form
    20,259.14/27,957.56 = 11,306.54/x
  3. Step 3: Cross multiply
    20,259.14x = 27,957.56 × 11,306.54
  4. Step 4: Simplify right side
    20,259.14x = 316,103,283.80
  5. Step 5: Solve for x
    x = 316,103,283.80/20,259.14
  6. Step 6: Final answer
    x = 15,603.00

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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.