Home / 19,772.89-27,286.50-10,698.22

Finding the Fourth Proportional to 19,772.89, 27,286.50 and 10,698.22

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Solution

The fourth proportional to 19,772.89, 27,286.50 and 10,698.22 is: 14,763.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.89 : 27,286.50 = 10,698.22 : x
  2. Step 2: Convert to fraction form
    19,772.89/27,286.50 = 10,698.22/x
  3. Step 3: Cross multiply
    19,772.89x = 27,286.50 × 10,698.22
  4. Step 4: Simplify right side
    19,772.89x = 291,916,911.81
  5. Step 5: Solve for x
    x = 291,916,911.81/19,772.89
  6. Step 6: Final answer
    x = 14,763.49

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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.