Home / 17,864.68-26,802.37-5,385.11

Finding the Fourth Proportional to 17,864.68, 26,802.37 and 5,385.11

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Solution

The fourth proportional to 17,864.68, 26,802.37 and 5,385.11 is: 8,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.68 : 26,802.37 = 5,385.11 : x
  2. Step 2: Convert to fraction form
    17,864.68/26,802.37 = 5,385.11/x
  3. Step 3: Cross multiply
    17,864.68x = 26,802.37 × 5,385.11
  4. Step 4: Simplify right side
    17,864.68x = 144,333,643.67
  5. Step 5: Solve for x
    x = 144,333,643.67/17,864.68
  6. Step 6: Final answer
    x = 8,079.28

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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.