Home / 12,372.90-17,074.40-6,995.25

Finding the Fourth Proportional to 12,372.90, 17,074.40 and 6,995.25

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Solution

The fourth proportional to 12,372.90, 17,074.40 and 6,995.25 is: 9,653.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,372.90 : 17,074.40 = 6,995.25 : x
  2. Step 2: Convert to fraction form
    12,372.90/17,074.40 = 6,995.25/x
  3. Step 3: Cross multiply
    12,372.90x = 17,074.40 × 6,995.25
  4. Step 4: Simplify right side
    12,372.90x = 119,439,637.61
  5. Step 5: Solve for x
    x = 119,439,637.61/12,372.90
  6. Step 6: Final answer
    x = 9,653.32

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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.