Home / 8,947.89-13,409.37-7,624.77

Finding the Fourth Proportional to 8,947.89, 13,409.37 and 7,624.77

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Solution

The fourth proportional to 8,947.89, 13,409.37 and 7,624.77 is: 11,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.89 : 13,409.37 = 7,624.77 : x
  2. Step 2: Convert to fraction form
    8,947.89/13,409.37 = 7,624.77/x
  3. Step 3: Cross multiply
    8,947.89x = 13,409.37 × 7,624.77
  4. Step 4: Simplify right side
    8,947.89x = 102,243,362.09
  5. Step 5: Solve for x
    x = 102,243,362.09/8,947.89
  6. Step 6: Final answer
    x = 11,426.53

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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.