Home / 14,146.42-21,225.10-4,285.79

Finding the Fourth Proportional to 14,146.42, 21,225.10 and 4,285.79

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Solution

The fourth proportional to 14,146.42, 21,225.10 and 4,285.79 is: 6,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.42 : 21,225.10 = 4,285.79 : x
  2. Step 2: Convert to fraction form
    14,146.42/21,225.10 = 4,285.79/x
  3. Step 3: Cross multiply
    14,146.42x = 21,225.10 × 4,285.79
  4. Step 4: Simplify right side
    14,146.42x = 90,966,321.33
  5. Step 5: Solve for x
    x = 90,966,321.33/14,146.42
  6. Step 6: Final answer
    x = 6,430.34

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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.