Home / 14,125.12-21,191.10-4,263.81

Finding the Fourth Proportional to 14,125.12, 21,191.10 and 4,263.81

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Solution

The fourth proportional to 14,125.12, 21,191.10 and 4,263.81 is: 6,396.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.12 : 21,191.10 = 4,263.81 : x
  2. Step 2: Convert to fraction form
    14,125.12/21,191.10 = 4,263.81/x
  3. Step 3: Cross multiply
    14,125.12x = 21,191.10 × 4,263.81
  4. Step 4: Simplify right side
    14,125.12x = 90,354,752.62
  5. Step 5: Solve for x
    x = 90,354,752.62/14,125.12
  6. Step 6: Final answer
    x = 6,396.74

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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.