Home / 14,574.20-21,861.30-4,720.55

Finding the Fourth Proportional to 14,574.20, 21,861.30 and 4,720.55

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Solution

The fourth proportional to 14,574.20, 21,861.30 and 4,720.55 is: 7,080.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.20 : 21,861.30 = 4,720.55 : x
  2. Step 2: Convert to fraction form
    14,574.20/21,861.30 = 4,720.55/x
  3. Step 3: Cross multiply
    14,574.20x = 21,861.30 × 4,720.55
  4. Step 4: Simplify right side
    14,574.20x = 103,197,359.72
  5. Step 5: Solve for x
    x = 103,197,359.72/14,574.20
  6. Step 6: Final answer
    x = 7,080.83

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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.