Home / 11,746.31-16,209.96-6,368.75

Finding the Fourth Proportional to 11,746.31, 16,209.96 and 6,368.75

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Solution

The fourth proportional to 11,746.31, 16,209.96 and 6,368.75 is: 8,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.31 : 16,209.96 = 6,368.75 : x
  2. Step 2: Convert to fraction form
    11,746.31/16,209.96 = 6,368.75/x
  3. Step 3: Cross multiply
    11,746.31x = 16,209.96 × 6,368.75
  4. Step 4: Simplify right side
    11,746.31x = 103,237,223.27
  5. Step 5: Solve for x
    x = 103,237,223.27/11,746.31
  6. Step 6: Final answer
    x = 8,788.90

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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.