Home / 11,312.96-16,937.72-8,530.88

Finding the Fourth Proportional to 11,312.96, 16,937.72 and 8,530.88

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Solution

The fourth proportional to 11,312.96, 16,937.72 and 8,530.88 is: 12,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.96 : 16,937.72 = 8,530.88 : x
  2. Step 2: Convert to fraction form
    11,312.96/16,937.72 = 8,530.88/x
  3. Step 3: Cross multiply
    11,312.96x = 16,937.72 × 8,530.88
  4. Step 4: Simplify right side
    11,312.96x = 144,493,614.14
  5. Step 5: Solve for x
    x = 144,493,614.14/11,312.96
  6. Step 6: Final answer
    x = 12,772.40

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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.