Home / 21,094.00-29,109.71-11,533.94

Finding the Fourth Proportional to 21,094.00, 29,109.71 and 11,533.94

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Solution

The fourth proportional to 21,094.00, 29,109.71 and 11,533.94 is: 15,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.00 : 29,109.71 = 11,533.94 : x
  2. Step 2: Convert to fraction form
    21,094.00/29,109.71 = 11,533.94/x
  3. Step 3: Cross multiply
    21,094.00x = 29,109.71 × 11,533.94
  4. Step 4: Simplify right side
    21,094.00x = 335,749,641.01
  5. Step 5: Solve for x
    x = 335,749,641.01/21,094.00
  6. Step 6: Final answer
    x = 15,916.83

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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.