Home / 13,581.84-20,366.28-6,565.08

Finding the Fourth Proportional to 13,581.84, 20,366.28 and 6,565.08

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Solution

The fourth proportional to 13,581.84, 20,366.28 and 6,565.08 is: 9,844.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,581.84 : 20,366.28 = 6,565.08 : x
  2. Step 2: Convert to fraction form
    13,581.84/20,366.28 = 6,565.08/x
  3. Step 3: Cross multiply
    13,581.84x = 20,366.28 × 6,565.08
  4. Step 4: Simplify right side
    13,581.84x = 133,706,257.50
  5. Step 5: Solve for x
    x = 133,706,257.50/13,581.84
  6. Step 6: Final answer
    x = 9,844.49

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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.