Home / 19,717.69-27,211.05-10,765.87

Finding the Fourth Proportional to 19,717.69, 27,211.05 and 10,765.87

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Solution

The fourth proportional to 19,717.69, 27,211.05 and 10,765.87 is: 14,857.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.69 : 27,211.05 = 10,765.87 : x
  2. Step 2: Convert to fraction form
    19,717.69/27,211.05 = 10,765.87/x
  3. Step 3: Cross multiply
    19,717.69x = 27,211.05 × 10,765.87
  4. Step 4: Simplify right side
    19,717.69x = 292,950,650.51
  5. Step 5: Solve for x
    x = 292,950,650.51/19,717.69
  6. Step 6: Final answer
    x = 14,857.25

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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.