Home / 14,206.56-21,309.86-4,345.80

Finding the Fourth Proportional to 14,206.56, 21,309.86 and 4,345.80

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Solution

The fourth proportional to 14,206.56, 21,309.86 and 4,345.80 is: 6,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.56 : 21,309.86 = 4,345.80 : x
  2. Step 2: Convert to fraction form
    14,206.56/21,309.86 = 4,345.80/x
  3. Step 3: Cross multiply
    14,206.56x = 21,309.86 × 4,345.80
  4. Step 4: Simplify right side
    14,206.56x = 92,608,389.59
  5. Step 5: Solve for x
    x = 92,608,389.59/14,206.56
  6. Step 6: Final answer
    x = 6,518.71

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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.