Home / 20,724.48-31,062.37-9,607.77

Finding the Fourth Proportional to 20,724.48, 31,062.37 and 9,607.77

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Solution

The fourth proportional to 20,724.48, 31,062.37 and 9,607.77 is: 14,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,724.48 : 31,062.37 = 9,607.77 : x
  2. Step 2: Convert to fraction form
    20,724.48/31,062.37 = 9,607.77/x
  3. Step 3: Cross multiply
    20,724.48x = 31,062.37 × 9,607.77
  4. Step 4: Simplify right side
    20,724.48x = 298,440,100.61
  5. Step 5: Solve for x
    x = 298,440,100.61/20,724.48
  6. Step 6: Final answer
    x = 14,400.37

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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.