Home / 11,669.30-16,104.59-6,635.10

Finding the Fourth Proportional to 11,669.30, 16,104.59 and 6,635.10

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Solution

The fourth proportional to 11,669.30, 16,104.59 and 6,635.10 is: 9,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,669.30 : 16,104.59 = 6,635.10 : x
  2. Step 2: Convert to fraction form
    11,669.30/16,104.59 = 6,635.10/x
  3. Step 3: Cross multiply
    11,669.30x = 16,104.59 × 6,635.10
  4. Step 4: Simplify right side
    11,669.30x = 106,855,565.11
  5. Step 5: Solve for x
    x = 106,855,565.11/11,669.30
  6. Step 6: Final answer
    x = 9,156.98

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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.