Home / 12,461.18-17,191.04-7,152.84

Finding the Fourth Proportional to 12,461.18, 17,191.04 and 7,152.84

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Solution

The fourth proportional to 12,461.18, 17,191.04 and 7,152.84 is: 9,867.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.18 : 17,191.04 = 7,152.84 : x
  2. Step 2: Convert to fraction form
    12,461.18/17,191.04 = 7,152.84/x
  3. Step 3: Cross multiply
    12,461.18x = 17,191.04 × 7,152.84
  4. Step 4: Simplify right side
    12,461.18x = 122,964,722.79
  5. Step 5: Solve for x
    x = 122,964,722.79/12,461.18
  6. Step 6: Final answer
    x = 9,867.83

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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.