Home / 14,288.16-19,717.17-7,914.76

Finding the Fourth Proportional to 14,288.16, 19,717.17 and 7,914.76

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Solution

The fourth proportional to 14,288.16, 19,717.17 and 7,914.76 is: 10,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,288.16 : 19,717.17 = 7,914.76 : x
  2. Step 2: Convert to fraction form
    14,288.16/19,717.17 = 7,914.76/x
  3. Step 3: Cross multiply
    14,288.16x = 19,717.17 × 7,914.76
  4. Step 4: Simplify right side
    14,288.16x = 156,056,744.89
  5. Step 5: Solve for x
    x = 156,056,744.89/14,288.16
  6. Step 6: Final answer
    x = 10,922.10

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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.