Home / 14,251.07-21,379.76-4,890.88

Finding the Fourth Proportional to 14,251.07, 21,379.76 and 4,890.88

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Solution

The fourth proportional to 14,251.07, 21,379.76 and 4,890.88 is: 7,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,251.07 : 21,379.76 = 4,890.88 : x
  2. Step 2: Convert to fraction form
    14,251.07/21,379.76 = 4,890.88/x
  3. Step 3: Cross multiply
    14,251.07x = 21,379.76 × 4,890.88
  4. Step 4: Simplify right side
    14,251.07x = 104,565,861.20
  5. Step 5: Solve for x
    x = 104,565,861.20/14,251.07
  6. Step 6: Final answer
    x = 7,337.40

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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.