Home / 10,444.76-14,325.52-9,879.92

Finding the Fourth Proportional to 10,444.76, 14,325.52 and 9,879.92

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Solution

The fourth proportional to 10,444.76, 14,325.52 and 9,879.92 is: 13,550.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,444.76 : 14,325.52 = 9,879.92 : x
  2. Step 2: Convert to fraction form
    10,444.76/14,325.52 = 9,879.92/x
  3. Step 3: Cross multiply
    10,444.76x = 14,325.52 × 9,879.92
  4. Step 4: Simplify right side
    10,444.76x = 141,534,991.56
  5. Step 5: Solve for x
    x = 141,534,991.56/10,444.76
  6. Step 6: Final answer
    x = 13,550.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.