Home / 12,475.56-17,215.53-6,809.18

Finding the Fourth Proportional to 12,475.56, 17,215.53 and 6,809.18

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Solution

The fourth proportional to 12,475.56, 17,215.53 and 6,809.18 is: 9,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.56 : 17,215.53 = 6,809.18 : x
  2. Step 2: Convert to fraction form
    12,475.56/17,215.53 = 6,809.18/x
  3. Step 3: Cross multiply
    12,475.56x = 17,215.53 × 6,809.18
  4. Step 4: Simplify right side
    12,475.56x = 117,223,616.55
  5. Step 5: Solve for x
    x = 117,223,616.55/12,475.56
  6. Step 6: Final answer
    x = 9,396.26

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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.