Home / 11,281.29-16,921.74-3,885.58

Finding the Fourth Proportional to 11,281.29, 16,921.74 and 3,885.58

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Solution

The fourth proportional to 11,281.29, 16,921.74 and 3,885.58 is: 5,828.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.29 : 16,921.74 = 3,885.58 : x
  2. Step 2: Convert to fraction form
    11,281.29/16,921.74 = 3,885.58/x
  3. Step 3: Cross multiply
    11,281.29x = 16,921.74 × 3,885.58
  4. Step 4: Simplify right side
    11,281.29x = 65,750,774.51
  5. Step 5: Solve for x
    x = 65,750,774.51/11,281.29
  6. Step 6: Final answer
    x = 5,828.30

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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.