Home / 14,674.48-20,250.78-7,960.21

Finding the Fourth Proportional to 14,674.48, 20,250.78 and 7,960.21

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Solution

The fourth proportional to 14,674.48, 20,250.78 and 7,960.21 is: 10,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.48 : 20,250.78 = 7,960.21 : x
  2. Step 2: Convert to fraction form
    14,674.48/20,250.78 = 7,960.21/x
  3. Step 3: Cross multiply
    14,674.48x = 20,250.78 × 7,960.21
  4. Step 4: Simplify right side
    14,674.48x = 161,200,461.46
  5. Step 5: Solve for x
    x = 161,200,461.46/14,674.48
  6. Step 6: Final answer
    x = 10,985.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.