Home / 19,887.01-29,829.98-4,894.27

Finding the Fourth Proportional to 19,887.01, 29,829.98 and 4,894.27

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Solution

The fourth proportional to 19,887.01, 29,829.98 and 4,894.27 is: 7,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.01 : 29,829.98 = 4,894.27 : x
  2. Step 2: Convert to fraction form
    19,887.01/29,829.98 = 4,894.27/x
  3. Step 3: Cross multiply
    19,887.01x = 29,829.98 × 4,894.27
  4. Step 4: Simplify right side
    19,887.01x = 145,995,913.88
  5. Step 5: Solve for x
    x = 145,995,913.88/19,887.01
  6. Step 6: Final answer
    x = 7,341.27

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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.