Home / 13,459.23-18,571.50-7,490.73

Finding the Fourth Proportional to 13,459.23, 18,571.50 and 7,490.73

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Solution

The fourth proportional to 13,459.23, 18,571.50 and 7,490.73 is: 10,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.23 : 18,571.50 = 7,490.73 : x
  2. Step 2: Convert to fraction form
    13,459.23/18,571.50 = 7,490.73/x
  3. Step 3: Cross multiply
    13,459.23x = 18,571.50 × 7,490.73
  4. Step 4: Simplify right side
    13,459.23x = 139,114,092.20
  5. Step 5: Solve for x
    x = 139,114,092.20/13,459.23
  6. Step 6: Final answer
    x = 10,335.96

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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.