Home / 12,077.70-16,668.14-6,700.43

Finding the Fourth Proportional to 12,077.70, 16,668.14 and 6,700.43

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Solution

The fourth proportional to 12,077.70, 16,668.14 and 6,700.43 is: 9,247.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.70 : 16,668.14 = 6,700.43 : x
  2. Step 2: Convert to fraction form
    12,077.70/16,668.14 = 6,700.43/x
  3. Step 3: Cross multiply
    12,077.70x = 16,668.14 × 6,700.43
  4. Step 4: Simplify right side
    12,077.70x = 111,683,588.46
  5. Step 5: Solve for x
    x = 111,683,588.46/12,077.70
  6. Step 6: Final answer
    x = 9,247.09

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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.