Home / 12,384.09-17,089.66-7,006.12

Finding the Fourth Proportional to 12,384.09, 17,089.66 and 7,006.12

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Solution

The fourth proportional to 12,384.09, 17,089.66 and 7,006.12 is: 9,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.09 : 17,089.66 = 7,006.12 : x
  2. Step 2: Convert to fraction form
    12,384.09/17,089.66 = 7,006.12/x
  3. Step 3: Cross multiply
    12,384.09x = 17,089.66 × 7,006.12
  4. Step 4: Simplify right side
    12,384.09x = 119,732,203.11
  5. Step 5: Solve for x
    x = 119,732,203.11/12,384.09
  6. Step 6: Final answer
    x = 9,668.23

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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.