Home / 11,746.32-17,619.54-3,955.20

Finding the Fourth Proportional to 11,746.32, 17,619.54 and 3,955.20

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Solution

The fourth proportional to 11,746.32, 17,619.54 and 3,955.20 is: 5,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.32 : 17,619.54 = 3,955.20 : x
  2. Step 2: Convert to fraction form
    11,746.32/17,619.54 = 3,955.20/x
  3. Step 3: Cross multiply
    11,746.32x = 17,619.54 × 3,955.20
  4. Step 4: Simplify right side
    11,746.32x = 69,688,804.61
  5. Step 5: Solve for x
    x = 69,688,804.61/11,746.32
  6. Step 6: Final answer
    x = 5,932.82

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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.