Home / 19,686.24-27,166.79-10,733.51

Finding the Fourth Proportional to 19,686.24, 27,166.79 and 10,733.51

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Solution

The fourth proportional to 19,686.24, 27,166.79 and 10,733.51 is: 14,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.24 : 27,166.79 = 10,733.51 : x
  2. Step 2: Convert to fraction form
    19,686.24/27,166.79 = 10,733.51/x
  3. Step 3: Cross multiply
    19,686.24x = 27,166.79 × 10,733.51
  4. Step 4: Simplify right side
    19,686.24x = 291,595,106.88
  5. Step 5: Solve for x
    x = 291,595,106.88/19,686.24
  6. Step 6: Final answer
    x = 14,812.13

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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.