Home / 14,092.05-21,124.15-7,855.05

Finding the Fourth Proportional to 14,092.05, 21,124.15 and 7,855.05

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Solution

The fourth proportional to 14,092.05, 21,124.15 and 7,855.05 is: 11,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.05 : 21,124.15 = 7,855.05 : x
  2. Step 2: Convert to fraction form
    14,092.05/21,124.15 = 7,855.05/x
  3. Step 3: Cross multiply
    14,092.05x = 21,124.15 × 7,855.05
  4. Step 4: Simplify right side
    14,092.05x = 165,931,254.46
  5. Step 5: Solve for x
    x = 165,931,254.46/14,092.05
  6. Step 6: Final answer
    x = 11,774.81

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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.