Home / 19,887.48-29,804.34-7,568.76

Finding the Fourth Proportional to 19,887.48, 29,804.34 and 7,568.76

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Solution

The fourth proportional to 19,887.48, 29,804.34 and 7,568.76 is: 11,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.48 : 29,804.34 = 7,568.76 : x
  2. Step 2: Convert to fraction form
    19,887.48/29,804.34 = 7,568.76/x
  3. Step 3: Cross multiply
    19,887.48x = 29,804.34 × 7,568.76
  4. Step 4: Simplify right side
    19,887.48x = 225,581,896.42
  5. Step 5: Solve for x
    x = 225,581,896.42/19,887.48
  6. Step 6: Final answer
    x = 11,342.91

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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.