Home / 10,137.70-13,981.99-6,158.73

Finding the Fourth Proportional to 10,137.70, 13,981.99 and 6,158.73

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Solution

The fourth proportional to 10,137.70, 13,981.99 and 6,158.73 is: 8,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.70 : 13,981.99 = 6,158.73 : x
  2. Step 2: Convert to fraction form
    10,137.70/13,981.99 = 6,158.73/x
  3. Step 3: Cross multiply
    10,137.70x = 13,981.99 × 6,158.73
  4. Step 4: Simplify right side
    10,137.70x = 86,111,301.27
  5. Step 5: Solve for x
    x = 86,111,301.27/10,137.70
  6. Step 6: Final answer
    x = 8,494.17

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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.