Home / 17,857.21-24,641.29-9,898.76

Finding the Fourth Proportional to 17,857.21, 24,641.29 and 9,898.76

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Solution

The fourth proportional to 17,857.21, 24,641.29 and 9,898.76 is: 13,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.21 : 24,641.29 = 9,898.76 : x
  2. Step 2: Convert to fraction form
    17,857.21/24,641.29 = 9,898.76/x
  3. Step 3: Cross multiply
    17,857.21x = 24,641.29 × 9,898.76
  4. Step 4: Simplify right side
    17,857.21x = 243,918,215.80
  5. Step 5: Solve for x
    x = 243,918,215.80/17,857.21
  6. Step 6: Final answer
    x = 13,659.37

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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.