Home / 19,484.72-29,222.58-9,489.14

Finding the Fourth Proportional to 19,484.72, 29,222.58 and 9,489.14

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Solution

The fourth proportional to 19,484.72, 29,222.58 and 9,489.14 is: 14,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.72 : 29,222.58 = 9,489.14 : x
  2. Step 2: Convert to fraction form
    19,484.72/29,222.58 = 9,489.14/x
  3. Step 3: Cross multiply
    19,484.72x = 29,222.58 × 9,489.14
  4. Step 4: Simplify right side
    19,484.72x = 277,297,152.78
  5. Step 5: Solve for x
    x = 277,297,152.78/19,484.72
  6. Step 6: Final answer
    x = 14,231.52

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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.