Home / 12,521.16-18,774.36-4,199.04

Finding the Fourth Proportional to 12,521.16, 18,774.36 and 4,199.04

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Solution

The fourth proportional to 12,521.16, 18,774.36 and 4,199.04 is: 6,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.16 : 18,774.36 = 4,199.04 : x
  2. Step 2: Convert to fraction form
    12,521.16/18,774.36 = 4,199.04/x
  3. Step 3: Cross multiply
    12,521.16x = 18,774.36 × 4,199.04
  4. Step 4: Simplify right side
    12,521.16x = 78,834,288.61
  5. Step 5: Solve for x
    x = 78,834,288.61/12,521.16
  6. Step 6: Final answer
    x = 6,296.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.