Home / 10,960.70-16,421.90-9,123.62

Finding the Fourth Proportional to 10,960.70, 16,421.90 and 9,123.62

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Solution

The fourth proportional to 10,960.70, 16,421.90 and 9,123.62 is: 13,669.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.70 : 16,421.90 = 9,123.62 : x
  2. Step 2: Convert to fraction form
    10,960.70/16,421.90 = 9,123.62/x
  3. Step 3: Cross multiply
    10,960.70x = 16,421.90 × 9,123.62
  4. Step 4: Simplify right side
    10,960.70x = 149,827,175.28
  5. Step 5: Solve for x
    x = 149,827,175.28/10,960.70
  6. Step 6: Final answer
    x = 13,669.49

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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.