Home / 13,281.71-19,934.88-6,712.51

Finding the Fourth Proportional to 13,281.71, 19,934.88 and 6,712.51

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Solution

The fourth proportional to 13,281.71, 19,934.88 and 6,712.51 is: 10,074.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.71 : 19,934.88 = 6,712.51 : x
  2. Step 2: Convert to fraction form
    13,281.71/19,934.88 = 6,712.51/x
  3. Step 3: Cross multiply
    13,281.71x = 19,934.88 × 6,712.51
  4. Step 4: Simplify right side
    13,281.71x = 133,813,081.35
  5. Step 5: Solve for x
    x = 133,813,081.35/13,281.71
  6. Step 6: Final answer
    x = 10,074.99

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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.