Home / 12,630.12-17,427.54-7,323.90

Finding the Fourth Proportional to 12,630.12, 17,427.54 and 7,323.90

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Solution

The fourth proportional to 12,630.12, 17,427.54 and 7,323.90 is: 10,105.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,630.12 : 17,427.54 = 7,323.90 : x
  2. Step 2: Convert to fraction form
    12,630.12/17,427.54 = 7,323.90/x
  3. Step 3: Cross multiply
    12,630.12x = 17,427.54 × 7,323.90
  4. Step 4: Simplify right side
    12,630.12x = 127,637,560.21
  5. Step 5: Solve for x
    x = 127,637,560.21/12,630.12
  6. Step 6: Final answer
    x = 10,105.81

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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.