Home / 13,024.88-17,970.11-7,986.58

Finding the Fourth Proportional to 13,024.88, 17,970.11 and 7,986.58

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Solution

The fourth proportional to 13,024.88, 17,970.11 and 7,986.58 is: 11,018.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,024.88 : 17,970.11 = 7,986.58 : x
  2. Step 2: Convert to fraction form
    13,024.88/17,970.11 = 7,986.58/x
  3. Step 3: Cross multiply
    13,024.88x = 17,970.11 × 7,986.58
  4. Step 4: Simplify right side
    13,024.88x = 143,519,721.12
  5. Step 5: Solve for x
    x = 143,519,721.12/13,024.88
  6. Step 6: Final answer
    x = 11,018.89

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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.