Home / 18,465.83-27,703.50-5,319.22

Finding the Fourth Proportional to 18,465.83, 27,703.50 and 5,319.22

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Solution

The fourth proportional to 18,465.83, 27,703.50 and 5,319.22 is: 7,980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.83 : 27,703.50 = 5,319.22 : x
  2. Step 2: Convert to fraction form
    18,465.83/27,703.50 = 5,319.22/x
  3. Step 3: Cross multiply
    18,465.83x = 27,703.50 × 5,319.22
  4. Step 4: Simplify right side
    18,465.83x = 147,361,011.27
  5. Step 5: Solve for x
    x = 147,361,011.27/18,465.83
  6. Step 6: Final answer
    x = 7,980.20

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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.