Home / 17,929.76-24,742.56-9,971.84

Finding the Fourth Proportional to 17,929.76, 24,742.56 and 9,971.84

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Solution

The fourth proportional to 17,929.76, 24,742.56 and 9,971.84 is: 13,760.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,929.76 : 24,742.56 = 9,971.84 : x
  2. Step 2: Convert to fraction form
    17,929.76/24,742.56 = 9,971.84/x
  3. Step 3: Cross multiply
    17,929.76x = 24,742.56 × 9,971.84
  4. Step 4: Simplify right side
    17,929.76x = 246,728,849.51
  5. Step 5: Solve for x
    x = 246,728,849.51/17,929.76
  6. Step 6: Final answer
    x = 13,760.86

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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.