Home / 14,000.42-20,987.66-5,228.66

Finding the Fourth Proportional to 14,000.42, 20,987.66 and 5,228.66

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Solution

The fourth proportional to 14,000.42, 20,987.66 and 5,228.66 is: 7,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.42 : 20,987.66 = 5,228.66 : x
  2. Step 2: Convert to fraction form
    14,000.42/20,987.66 = 5,228.66/x
  3. Step 3: Cross multiply
    14,000.42x = 20,987.66 × 5,228.66
  4. Step 4: Simplify right side
    14,000.42x = 109,737,338.34
  5. Step 5: Solve for x
    x = 109,737,338.34/14,000.42
  6. Step 6: Final answer
    x = 7,838.15

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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.