Home / 19,628.82-29,457.78-9,247.86

Finding the Fourth Proportional to 19,628.82, 29,457.78 and 9,247.86

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Solution

The fourth proportional to 19,628.82, 29,457.78 and 9,247.86 is: 13,878.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,628.82 : 29,457.78 = 9,247.86 : x
  2. Step 2: Convert to fraction form
    19,628.82/29,457.78 = 9,247.86/x
  3. Step 3: Cross multiply
    19,628.82x = 29,457.78 × 9,247.86
  4. Step 4: Simplify right side
    19,628.82x = 272,421,425.35
  5. Step 5: Solve for x
    x = 272,421,425.35/19,628.82
  6. Step 6: Final answer
    x = 13,878.65

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1.5x scale

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.