Home / 12,475.31-17,215.19-6,808.93

Finding the Fourth Proportional to 12,475.31, 17,215.19 and 6,808.93

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Solution

The fourth proportional to 12,475.31, 17,215.19 and 6,808.93 is: 9,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.31 : 17,215.19 = 6,808.93 : x
  2. Step 2: Convert to fraction form
    12,475.31/17,215.19 = 6,808.93/x
  3. Step 3: Cross multiply
    12,475.31x = 17,215.19 × 6,808.93
  4. Step 4: Simplify right side
    12,475.31x = 117,216,972.10
  5. Step 5: Solve for x
    x = 117,216,972.10/12,475.31
  6. Step 6: Final answer
    x = 9,395.92

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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.