Home / 14,956.46-20,638.51-8,823.21

Finding the Fourth Proportional to 14,956.46, 20,638.51 and 8,823.21

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Solution

The fourth proportional to 14,956.46, 20,638.51 and 8,823.21 is: 12,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.46 : 20,638.51 = 8,823.21 : x
  2. Step 2: Convert to fraction form
    14,956.46/20,638.51 = 8,823.21/x
  3. Step 3: Cross multiply
    14,956.46x = 20,638.51 × 8,823.21
  4. Step 4: Simplify right side
    14,956.46x = 182,097,907.82
  5. Step 5: Solve for x
    x = 182,097,907.82/14,956.46
  6. Step 6: Final answer
    x = 12,175.20

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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.