Home / 12,717.78-19,073.03-4,395.62

Finding the Fourth Proportional to 12,717.78, 19,073.03 and 4,395.62

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Solution

The fourth proportional to 12,717.78, 19,073.03 and 4,395.62 is: 6,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.78 : 19,073.03 = 4,395.62 : x
  2. Step 2: Convert to fraction form
    12,717.78/19,073.03 = 4,395.62/x
  3. Step 3: Cross multiply
    12,717.78x = 19,073.03 × 4,395.62
  4. Step 4: Simplify right side
    12,717.78x = 83,837,792.13
  5. Step 5: Solve for x
    x = 83,837,792.13/12,717.78
  6. Step 6: Final answer
    x = 6,592.17

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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.