Home / 12,506.08-17,260.42-7,199.78

Finding the Fourth Proportional to 12,506.08, 17,260.42 and 7,199.78

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Solution

The fourth proportional to 12,506.08, 17,260.42 and 7,199.78 is: 9,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.08 : 17,260.42 = 7,199.78 : x
  2. Step 2: Convert to fraction form
    12,506.08/17,260.42 = 7,199.78/x
  3. Step 3: Cross multiply
    12,506.08x = 17,260.42 × 7,199.78
  4. Step 4: Simplify right side
    12,506.08x = 124,271,226.71
  5. Step 5: Solve for x
    x = 124,271,226.71/12,506.08
  6. Step 6: Final answer
    x = 9,936.86

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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.