Home / 11,070.65-15,276.94-6,289.97

Finding the Fourth Proportional to 11,070.65, 15,276.94 and 6,289.97

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Solution

The fourth proportional to 11,070.65, 15,276.94 and 6,289.97 is: 8,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.65 : 15,276.94 = 6,289.97 : x
  2. Step 2: Convert to fraction form
    11,070.65/15,276.94 = 6,289.97/x
  3. Step 3: Cross multiply
    11,070.65x = 15,276.94 × 6,289.97
  4. Step 4: Simplify right side
    11,070.65x = 96,091,516.76
  5. Step 5: Solve for x
    x = 96,091,516.76/11,070.65
  6. Step 6: Final answer
    x = 8,679.84

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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.