Home / 14,665.48-20,233.60-8,291.46

Finding the Fourth Proportional to 14,665.48, 20,233.60 and 8,291.46

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Solution

The fourth proportional to 14,665.48, 20,233.60 and 8,291.46 is: 11,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.48 : 20,233.60 = 8,291.46 : x
  2. Step 2: Convert to fraction form
    14,665.48/20,233.60 = 8,291.46/x
  3. Step 3: Cross multiply
    14,665.48x = 20,233.60 × 8,291.46
  4. Step 4: Simplify right side
    14,665.48x = 167,766,085.06
  5. Step 5: Solve for x
    x = 167,766,085.06/14,665.48
  6. Step 6: Final answer
    x = 11,439.52

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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.