Home / 11,689.08-17,534.70-3,898.68

Finding the Fourth Proportional to 11,689.08, 17,534.70 and 3,898.68

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Solution

The fourth proportional to 11,689.08, 17,534.70 and 3,898.68 is: 5,848.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689.08 : 17,534.70 = 3,898.68 : x
  2. Step 2: Convert to fraction form
    11,689.08/17,534.70 = 3,898.68/x
  3. Step 3: Cross multiply
    11,689.08x = 17,534.70 × 3,898.68
  4. Step 4: Simplify right side
    11,689.08x = 68,362,184.20
  5. Step 5: Solve for x
    x = 68,362,184.20/11,689.08
  6. Step 6: Final answer
    x = 5,848.38

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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.