Home / 11,746.80-17,684.10-10,139.76

Finding the Fourth Proportional to 11,746.80, 17,684.10 and 10,139.76

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Solution

The fourth proportional to 11,746.80, 17,684.10 and 10,139.76 is: 15,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,746.80 : 17,684.10 = 10,139.76 : x
  2. Step 2: Convert to fraction form
    11,746.80/17,684.10 = 10,139.76/x
  3. Step 3: Cross multiply
    11,746.80x = 17,684.10 × 10,139.76
  4. Step 4: Simplify right side
    11,746.80x = 179,312,529.82
  5. Step 5: Solve for x
    x = 179,312,529.82/11,746.80
  6. Step 6: Final answer
    x = 15,264.80

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.