Home / 19,887.72-29,845.14-10,527.36

Finding the Fourth Proportional to 19,887.72, 29,845.14 and 10,527.36

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Solution

The fourth proportional to 19,887.72, 29,845.14 and 10,527.36 is: 15,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.72 : 29,845.14 = 10,527.36 : x
  2. Step 2: Convert to fraction form
    19,887.72/29,845.14 = 10,527.36/x
  3. Step 3: Cross multiply
    19,887.72x = 29,845.14 × 10,527.36
  4. Step 4: Simplify right side
    19,887.72x = 314,190,533.03
  5. Step 5: Solve for x
    x = 314,190,533.03/19,887.72
  6. Step 6: Final answer
    x = 15,798.22

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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.