Home / 11,746.40-17,619.48-3,955.16

Finding the Fourth Proportional to 11,746.40, 17,619.48 and 3,955.16

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Solution

The fourth proportional to 11,746.40, 17,619.48 and 3,955.16 is: 5,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.40 : 17,619.48 = 3,955.16 : x
  2. Step 2: Convert to fraction form
    11,746.40/17,619.48 = 3,955.16/x
  3. Step 3: Cross multiply
    11,746.40x = 17,619.48 × 3,955.16
  4. Step 4: Simplify right side
    11,746.40x = 69,687,862.52
  5. Step 5: Solve for x
    x = 69,687,862.52/11,746.40
  6. Step 6: Final answer
    x = 5,932.70

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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.