Home / 11,809.08-17,709.06-4,787.34

Finding the Fourth Proportional to 11,809.08, 17,709.06 and 4,787.34

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Solution

The fourth proportional to 11,809.08, 17,709.06 and 4,787.34 is: 7,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.08 : 17,709.06 = 4,787.34 : x
  2. Step 2: Convert to fraction form
    11,809.08/17,709.06 = 4,787.34/x
  3. Step 3: Cross multiply
    11,809.08x = 17,709.06 × 4,787.34
  4. Step 4: Simplify right side
    11,809.08x = 84,779,291.30
  5. Step 5: Solve for x
    x = 84,779,291.30/11,809.08
  6. Step 6: Final answer
    x = 7,179.16

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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.