Home / 17,780.64-24,537.50-9,822.79

Finding the Fourth Proportional to 17,780.64, 24,537.50 and 9,822.79

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Solution

The fourth proportional to 17,780.64, 24,537.50 and 9,822.79 is: 13,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.64 : 24,537.50 = 9,822.79 : x
  2. Step 2: Convert to fraction form
    17,780.64/24,537.50 = 9,822.79/x
  3. Step 3: Cross multiply
    17,780.64x = 24,537.50 × 9,822.79
  4. Step 4: Simplify right side
    17,780.64x = 241,026,709.63
  5. Step 5: Solve for x
    x = 241,026,709.63/17,780.64
  6. Step 6: Final answer
    x = 13,555.57

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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.