Home / 12,482.48-17,225.85-6,817.27

Finding the Fourth Proportional to 12,482.48, 17,225.85 and 6,817.27

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Solution

The fourth proportional to 12,482.48, 17,225.85 and 6,817.27 is: 9,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.48 : 17,225.85 = 6,817.27 : x
  2. Step 2: Convert to fraction form
    12,482.48/17,225.85 = 6,817.27/x
  3. Step 3: Cross multiply
    12,482.48x = 17,225.85 × 6,817.27
  4. Step 4: Simplify right side
    12,482.48x = 117,433,270.43
  5. Step 5: Solve for x
    x = 117,433,270.43/12,482.48
  6. Step 6: Final answer
    x = 9,407.85

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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.