Home / 14,046.82-21,088.76-12,886.34

Finding the Fourth Proportional to 14,046.82, 21,088.76 and 12,886.34

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Solution

The fourth proportional to 14,046.82, 21,088.76 and 12,886.34 is: 19,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,046.82 : 21,088.76 = 12,886.34 : x
  2. Step 2: Convert to fraction form
    14,046.82/21,088.76 = 12,886.34/x
  3. Step 3: Cross multiply
    14,046.82x = 21,088.76 × 12,886.34
  4. Step 4: Simplify right side
    14,046.82x = 271,756,880.29
  5. Step 5: Solve for x
    x = 271,756,880.29/14,046.82
  6. Step 6: Final answer
    x = 19,346.51

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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.