Home / 12,548.32-17,315.74-6,882.16

Finding the Fourth Proportional to 12,548.32, 17,315.74 and 6,882.16

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Solution

The fourth proportional to 12,548.32, 17,315.74 and 6,882.16 is: 9,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.32 : 17,315.74 = 6,882.16 : x
  2. Step 2: Convert to fraction form
    12,548.32/17,315.74 = 6,882.16/x
  3. Step 3: Cross multiply
    12,548.32x = 17,315.74 × 6,882.16
  4. Step 4: Simplify right side
    12,548.32x = 119,169,693.20
  5. Step 5: Solve for x
    x = 119,169,693.20/12,548.32
  6. Step 6: Final answer
    x = 9,496.86

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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.