Home / 15,455.24-23,182.62-6,221

Finding the Fourth Proportional to 15,455.24, 23,182.62 and 6,221

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Solution

The fourth proportional to 15,455.24, 23,182.62 and 6,221 is: 9,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.24 : 23,182.62 = 6,221 : x
  2. Step 2: Convert to fraction form
    15,455.24/23,182.62 = 6,221/x
  3. Step 3: Cross multiply
    15,455.24x = 23,182.62 × 6,221
  4. Step 4: Simplify right side
    15,455.24x = 144,219,079.02
  5. Step 5: Solve for x
    x = 144,219,079.02/15,455.24
  6. Step 6: Final answer
    x = 9,331.40

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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.