Home / 15,539.80-21,446.76-8,827.51

Finding the Fourth Proportional to 15,539.80, 21,446.76 and 8,827.51

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Solution

The fourth proportional to 15,539.80, 21,446.76 and 8,827.51 is: 12,183.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.80 : 21,446.76 = 8,827.51 : x
  2. Step 2: Convert to fraction form
    15,539.80/21,446.76 = 8,827.51/x
  3. Step 3: Cross multiply
    15,539.80x = 21,446.76 × 8,827.51
  4. Step 4: Simplify right side
    15,539.80x = 189,321,488.37
  5. Step 5: Solve for x
    x = 189,321,488.37/15,539.80
  6. Step 6: Final answer
    x = 12,183.01

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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.