Home / 10,638.80-15,956.98-2,848.24

Finding the Fourth Proportional to 10,638.80, 15,956.98 and 2,848.24

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Solution

The fourth proportional to 10,638.80, 15,956.98 and 2,848.24 is: 4,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.80 : 15,956.98 = 2,848.24 : x
  2. Step 2: Convert to fraction form
    10,638.80/15,956.98 = 2,848.24/x
  3. Step 3: Cross multiply
    10,638.80x = 15,956.98 × 2,848.24
  4. Step 4: Simplify right side
    10,638.80x = 45,449,308.72
  5. Step 5: Solve for x
    x = 45,449,308.72/10,638.80
  6. Step 6: Final answer
    x = 4,272.03

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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.