Home / 14,132.45-21,199.13-7,108.63

Finding the Fourth Proportional to 14,132.45, 21,199.13 and 7,108.63

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Solution

The fourth proportional to 14,132.45, 21,199.13 and 7,108.63 is: 10,663.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.45 : 21,199.13 = 7,108.63 : x
  2. Step 2: Convert to fraction form
    14,132.45/21,199.13 = 7,108.63/x
  3. Step 3: Cross multiply
    14,132.45x = 21,199.13 × 7,108.63
  4. Step 4: Simplify right side
    14,132.45x = 150,696,709.61
  5. Step 5: Solve for x
    x = 150,696,709.61/14,132.45
  6. Step 6: Final answer
    x = 10,663.17

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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.