Home / 12,521.52-17,278.77-6,855.03

Finding the Fourth Proportional to 12,521.52, 17,278.77 and 6,855.03

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Solution

The fourth proportional to 12,521.52, 17,278.77 and 6,855.03 is: 9,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.52 : 17,278.77 = 6,855.03 : x
  2. Step 2: Convert to fraction form
    12,521.52/17,278.77 = 6,855.03/x
  3. Step 3: Cross multiply
    12,521.52x = 17,278.77 × 6,855.03
  4. Step 4: Simplify right side
    12,521.52x = 118,446,486.71
  5. Step 5: Solve for x
    x = 118,446,486.71/12,521.52
  6. Step 6: Final answer
    x = 9,459.43

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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.