Home / 14,510.48-21,764.81-8,662.69

Finding the Fourth Proportional to 14,510.48, 21,764.81 and 8,662.69

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Solution

The fourth proportional to 14,510.48, 21,764.81 and 8,662.69 is: 12,993.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.48 : 21,764.81 = 8,662.69 : x
  2. Step 2: Convert to fraction form
    14,510.48/21,764.81 = 8,662.69/x
  3. Step 3: Cross multiply
    14,510.48x = 21,764.81 × 8,662.69
  4. Step 4: Simplify right side
    14,510.48x = 188,541,769.18
  5. Step 5: Solve for x
    x = 188,541,769.18/14,510.48
  6. Step 6: Final answer
    x = 12,993.49

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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.