Home / 14,930.96-22,401.30-7,140.38

Finding the Fourth Proportional to 14,930.96, 22,401.30 and 7,140.38

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Solution

The fourth proportional to 14,930.96, 22,401.30 and 7,140.38 is: 10,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.96 : 22,401.30 = 7,140.38 : x
  2. Step 2: Convert to fraction form
    14,930.96/22,401.30 = 7,140.38/x
  3. Step 3: Cross multiply
    14,930.96x = 22,401.30 × 7,140.38
  4. Step 4: Simplify right side
    14,930.96x = 159,953,794.49
  5. Step 5: Solve for x
    x = 159,953,794.49/14,930.96
  6. Step 6: Final answer
    x = 10,712.89

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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.