Home / 13,029.29-17,980.43-7,060.91

Finding the Fourth Proportional to 13,029.29, 17,980.43 and 7,060.91

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Solution

The fourth proportional to 13,029.29, 17,980.43 and 7,060.91 is: 9,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029.29 : 17,980.43 = 7,060.91 : x
  2. Step 2: Convert to fraction form
    13,029.29/17,980.43 = 7,060.91/x
  3. Step 3: Cross multiply
    13,029.29x = 17,980.43 × 7,060.91
  4. Step 4: Simplify right side
    13,029.29x = 126,958,108.09
  5. Step 5: Solve for x
    x = 126,958,108.09/13,029.29
  6. Step 6: Final answer
    x = 9,744.06

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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.