Home / 14,631.80-21,945.47-4,771.07

Finding the Fourth Proportional to 14,631.80, 21,945.47 and 4,771.07

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Solution

The fourth proportional to 14,631.80, 21,945.47 and 4,771.07 is: 7,155.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.80 : 21,945.47 = 4,771.07 : x
  2. Step 2: Convert to fraction form
    14,631.80/21,945.47 = 4,771.07/x
  3. Step 3: Cross multiply
    14,631.80x = 21,945.47 × 4,771.07
  4. Step 4: Simplify right side
    14,631.80x = 104,703,263.83
  5. Step 5: Solve for x
    x = 104,703,263.83/14,631.80
  6. Step 6: Final answer
    x = 7,155.87

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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.