Home / 14,161.80-21,242.70-4,927.80

Finding the Fourth Proportional to 14,161.80, 21,242.70 and 4,927.80

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Solution

The fourth proportional to 14,161.80, 21,242.70 and 4,927.80 is: 7,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.80 : 21,242.70 = 4,927.80 : x
  2. Step 2: Convert to fraction form
    14,161.80/21,242.70 = 4,927.80/x
  3. Step 3: Cross multiply
    14,161.80x = 21,242.70 × 4,927.80
  4. Step 4: Simplify right side
    14,161.80x = 104,679,777.06
  5. Step 5: Solve for x
    x = 104,679,777.06/14,161.80
  6. Step 6: Final answer
    x = 7,391.70

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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.