Home / 14,304.15-21,411.03-12,799.56

Finding the Fourth Proportional to 14,304.15, 21,411.03 and 12,799.56

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Solution

The fourth proportional to 14,304.15, 21,411.03 and 12,799.56 is: 19,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,304.15 : 21,411.03 = 12,799.56 : x
  2. Step 2: Convert to fraction form
    14,304.15/21,411.03 = 12,799.56/x
  3. Step 3: Cross multiply
    14,304.15x = 21,411.03 × 12,799.56
  4. Step 4: Simplify right side
    14,304.15x = 274,051,763.15
  5. Step 5: Solve for x
    x = 274,051,763.15/14,304.15
  6. Step 6: Final answer
    x = 19,158.90

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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.