Home / 11,145.95-16,718.70-3,354.77

Finding the Fourth Proportional to 11,145.95, 16,718.70 and 3,354.77

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Solution

The fourth proportional to 11,145.95, 16,718.70 and 3,354.77 is: 5,032.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.95 : 16,718.70 = 3,354.77 : x
  2. Step 2: Convert to fraction form
    11,145.95/16,718.70 = 3,354.77/x
  3. Step 3: Cross multiply
    11,145.95x = 16,718.70 × 3,354.77
  4. Step 4: Simplify right side
    11,145.95x = 56,087,353.53
  5. Step 5: Solve for x
    x = 56,087,353.53/11,145.95
  6. Step 6: Final answer
    x = 5,032.08

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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.