Home / 11,955.90-17,931.69-4,558.71

Finding the Fourth Proportional to 11,955.90, 17,931.69 and 4,558.71

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Solution

The fourth proportional to 11,955.90, 17,931.69 and 4,558.71 is: 6,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.90 : 17,931.69 = 4,558.71 : x
  2. Step 2: Convert to fraction form
    11,955.90/17,931.69 = 4,558.71/x
  3. Step 3: Cross multiply
    11,955.90x = 17,931.69 × 4,558.71
  4. Step 4: Simplify right side
    11,955.90x = 81,745,374.52
  5. Step 5: Solve for x
    x = 81,745,374.52/11,955.90
  6. Step 6: Final answer
    x = 6,837.24

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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.