Home / 13,988.48-19,304.72-8,956.96

Finding the Fourth Proportional to 13,988.48, 19,304.72 and 8,956.96

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Solution

The fourth proportional to 13,988.48, 19,304.72 and 8,956.96 is: 12,361.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.48 : 19,304.72 = 8,956.96 : x
  2. Step 2: Convert to fraction form
    13,988.48/19,304.72 = 8,956.96/x
  3. Step 3: Cross multiply
    13,988.48x = 19,304.72 × 8,956.96
  4. Step 4: Simplify right side
    13,988.48x = 172,911,604.85
  5. Step 5: Solve for x
    x = 172,911,604.85/13,988.48
  6. Step 6: Final answer
    x = 12,361.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.