Home / 17,802.51-26,655.10-12,809.85

Finding the Fourth Proportional to 17,802.51, 26,655.10 and 12,809.85

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Solution

The fourth proportional to 17,802.51, 26,655.10 and 12,809.85 is: 19,179.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.51 : 26,655.10 = 12,809.85 : x
  2. Step 2: Convert to fraction form
    17,802.51/26,655.10 = 12,809.85/x
  3. Step 3: Cross multiply
    17,802.51x = 26,655.10 × 12,809.85
  4. Step 4: Simplify right side
    17,802.51x = 341,447,832.74
  5. Step 5: Solve for x
    x = 341,447,832.74/17,802.51
  6. Step 6: Final answer
    x = 19,179.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.