Home / 12,600.21-17,389.04-7,296.87

Finding the Fourth Proportional to 12,600.21, 17,389.04 and 7,296.87

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Solution

The fourth proportional to 12,600.21, 17,389.04 and 7,296.87 is: 10,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.21 : 17,389.04 = 7,296.87 : x
  2. Step 2: Convert to fraction form
    12,600.21/17,389.04 = 7,296.87/x
  3. Step 3: Cross multiply
    12,600.21x = 17,389.04 × 7,296.87
  4. Step 4: Simplify right side
    12,600.21x = 126,885,527.82
  5. Step 5: Solve for x
    x = 126,885,527.82/12,600.21
  6. Step 6: Final answer
    x = 10,070.11

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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.