Home / 12,482.28-17,225.26-6,816.82

Finding the Fourth Proportional to 12,482.28, 17,225.26 and 6,816.82

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Solution

The fourth proportional to 12,482.28, 17,225.26 and 6,816.82 is: 9,407.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.28 : 17,225.26 = 6,816.82 : x
  2. Step 2: Convert to fraction form
    12,482.28/17,225.26 = 6,816.82/x
  3. Step 3: Cross multiply
    12,482.28x = 17,225.26 × 6,816.82
  4. Step 4: Simplify right side
    12,482.28x = 117,421,496.87
  5. Step 5: Solve for x
    x = 117,421,496.87/12,482.28
  6. Step 6: Final answer
    x = 9,407.06

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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.