Home / 12,710.07-17,539.38-7,044.90

Finding the Fourth Proportional to 12,710.07, 17,539.38 and 7,044.90

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Solution

The fourth proportional to 12,710.07, 17,539.38 and 7,044.90 is: 9,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710.07 : 17,539.38 = 7,044.90 : x
  2. Step 2: Convert to fraction form
    12,710.07/17,539.38 = 7,044.90/x
  3. Step 3: Cross multiply
    12,710.07x = 17,539.38 × 7,044.90
  4. Step 4: Simplify right side
    12,710.07x = 123,563,178.16
  5. Step 5: Solve for x
    x = 123,563,178.16/12,710.07
  6. Step 6: Final answer
    x = 9,721.68

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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.