Home / 14,022.56-21,031.61-4,661.80

Finding the Fourth Proportional to 14,022.56, 21,031.61 and 4,661.80

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Solution

The fourth proportional to 14,022.56, 21,031.61 and 4,661.80 is: 6,991.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022.56 : 21,031.61 = 4,661.80 : x
  2. Step 2: Convert to fraction form
    14,022.56/21,031.61 = 4,661.80/x
  3. Step 3: Cross multiply
    14,022.56x = 21,031.61 × 4,661.80
  4. Step 4: Simplify right side
    14,022.56x = 98,045,159.50
  5. Step 5: Solve for x
    x = 98,045,159.50/14,022.56
  6. Step 6: Final answer
    x = 6,991.96

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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.