Home / 14,395.05-19,869.37-9,359.78

Finding the Fourth Proportional to 14,395.05, 19,869.37 and 9,359.78

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Solution

The fourth proportional to 14,395.05, 19,869.37 and 9,359.78 is: 12,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.05 : 19,869.37 = 9,359.78 : x
  2. Step 2: Convert to fraction form
    14,395.05/19,869.37 = 9,359.78/x
  3. Step 3: Cross multiply
    14,395.05x = 19,869.37 × 9,359.78
  4. Step 4: Simplify right side
    14,395.05x = 185,972,809.19
  5. Step 5: Solve for x
    x = 185,972,809.19/14,395.05
  6. Step 6: Final answer
    x = 12,919.22

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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.