Home / 12,310.26-16,988.76-7,005.56

Finding the Fourth Proportional to 12,310.26, 16,988.76 and 7,005.56

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Solution

The fourth proportional to 12,310.26, 16,988.76 and 7,005.56 is: 9,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310.26 : 16,988.76 = 7,005.56 : x
  2. Step 2: Convert to fraction form
    12,310.26/16,988.76 = 7,005.56/x
  3. Step 3: Cross multiply
    12,310.26x = 16,988.76 × 7,005.56
  4. Step 4: Simplify right side
    12,310.26x = 119,015,777.51
  5. Step 5: Solve for x
    x = 119,015,777.51/12,310.26
  6. Step 6: Final answer
    x = 9,668.01

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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.