Home / 14,182.89-21,285.67-6,392.31

Finding the Fourth Proportional to 14,182.89, 21,285.67 and 6,392.31

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Solution

The fourth proportional to 14,182.89, 21,285.67 and 6,392.31 is: 9,593.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,182.89 : 21,285.67 = 6,392.31 : x
  2. Step 2: Convert to fraction form
    14,182.89/21,285.67 = 6,392.31/x
  3. Step 3: Cross multiply
    14,182.89x = 21,285.67 × 6,392.31
  4. Step 4: Simplify right side
    14,182.89x = 136,064,601.20
  5. Step 5: Solve for x
    x = 136,064,601.20/14,182.89
  6. Step 6: Final answer
    x = 9,593.57

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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.