Home / 11,145.40-16,718.20-4,569.01

Finding the Fourth Proportional to 11,145.40, 16,718.20 and 4,569.01

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Solution

The fourth proportional to 11,145.40, 16,718.20 and 4,569.01 is: 6,853.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.40 : 16,718.20 = 4,569.01 : x
  2. Step 2: Convert to fraction form
    11,145.40/16,718.20 = 4,569.01/x
  3. Step 3: Cross multiply
    11,145.40x = 16,718.20 × 4,569.01
  4. Step 4: Simplify right side
    11,145.40x = 76,385,569.76
  5. Step 5: Solve for x
    x = 76,385,569.76/11,145.40
  6. Step 6: Final answer
    x = 6,853.55

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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.