Home / 14,079.69-19,429.70-7,792.07

Finding the Fourth Proportional to 14,079.69, 19,429.70 and 7,792.07

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Solution

The fourth proportional to 14,079.69, 19,429.70 and 7,792.07 is: 10,752.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.69 : 19,429.70 = 7,792.07 : x
  2. Step 2: Convert to fraction form
    14,079.69/19,429.70 = 7,792.07/x
  3. Step 3: Cross multiply
    14,079.69x = 19,429.70 × 7,792.07
  4. Step 4: Simplify right side
    14,079.69x = 151,397,446.37
  5. Step 5: Solve for x
    x = 151,397,446.37/14,079.69
  6. Step 6: Final answer
    x = 10,752.90

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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.