Home / 14,648.23-20,215.81-8,276.00

Finding the Fourth Proportional to 14,648.23, 20,215.81 and 8,276.00

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Solution

The fourth proportional to 14,648.23, 20,215.81 and 8,276.00 is: 11,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.23 : 20,215.81 = 8,276.00 : x
  2. Step 2: Convert to fraction form
    14,648.23/20,215.81 = 8,276.00/x
  3. Step 3: Cross multiply
    14,648.23x = 20,215.81 × 8,276.00
  4. Step 4: Simplify right side
    14,648.23x = 167,305,972.33
  5. Step 5: Solve for x
    x = 167,305,972.33/14,648.23
  6. Step 6: Final answer
    x = 11,421.58

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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.