Home / 12,647.23-17,454.15-6,983.07

Finding the Fourth Proportional to 12,647.23, 17,454.15 and 6,983.07

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Solution

The fourth proportional to 12,647.23, 17,454.15 and 6,983.07 is: 9,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,647.23 : 17,454.15 = 6,983.07 : x
  2. Step 2: Convert to fraction form
    12,647.23/17,454.15 = 6,983.07/x
  3. Step 3: Cross multiply
    12,647.23x = 17,454.15 × 6,983.07
  4. Step 4: Simplify right side
    12,647.23x = 121,883,551.24
  5. Step 5: Solve for x
    x = 121,883,551.24/12,647.23
  6. Step 6: Final answer
    x = 9,637.17

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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.