Home / 14,000.04-21,003.48-4,138.92

Finding the Fourth Proportional to 14,000.04, 21,003.48 and 4,138.92

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Solution

The fourth proportional to 14,000.04, 21,003.48 and 4,138.92 is: 6,209.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.04 : 21,003.48 = 4,138.92 : x
  2. Step 2: Convert to fraction form
    14,000.04/21,003.48 = 4,138.92/x
  3. Step 3: Cross multiply
    14,000.04x = 21,003.48 × 4,138.92
  4. Step 4: Simplify right side
    14,000.04x = 86,931,723.44
  5. Step 5: Solve for x
    x = 86,931,723.44/14,000.04
  6. Step 6: Final answer
    x = 6,209.39

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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.