Home / 9,955.27-13,738.91-5,921.00

Finding the Fourth Proportional to 9,955.27, 13,738.91 and 5,921.00

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Solution

The fourth proportional to 9,955.27, 13,738.91 and 5,921.00 is: 8,171.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,955.27 : 13,738.91 = 5,921.00 : x
  2. Step 2: Convert to fraction form
    9,955.27/13,738.91 = 5,921.00/x
  3. Step 3: Cross multiply
    9,955.27x = 13,738.91 × 5,921.00
  4. Step 4: Simplify right side
    9,955.27x = 81,347,987.81
  5. Step 5: Solve for x
    x = 81,347,987.81/9,955.27
  6. Step 6: Final answer
    x = 8,171.35

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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.