Home / 19,717.48-27,209.70-10,765.24

Finding the Fourth Proportional to 19,717.48, 27,209.70 and 10,765.24

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Solution

The fourth proportional to 19,717.48, 27,209.70 and 10,765.24 is: 14,855.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.48 : 27,209.70 = 10,765.24 : x
  2. Step 2: Convert to fraction form
    19,717.48/27,209.70 = 10,765.24/x
  3. Step 3: Cross multiply
    19,717.48x = 27,209.70 × 10,765.24
  4. Step 4: Simplify right side
    19,717.48x = 292,918,950.83
  5. Step 5: Solve for x
    x = 292,918,950.83/19,717.48
  6. Step 6: Final answer
    x = 14,855.80

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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.