Home / 14,122.30-19,490.51-8,153.96

Finding the Fourth Proportional to 14,122.30, 19,490.51 and 8,153.96

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Solution

The fourth proportional to 14,122.30, 19,490.51 and 8,153.96 is: 11,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.30 : 19,490.51 = 8,153.96 : x
  2. Step 2: Convert to fraction form
    14,122.30/19,490.51 = 8,153.96/x
  3. Step 3: Cross multiply
    14,122.30x = 19,490.51 × 8,153.96
  4. Step 4: Simplify right side
    14,122.30x = 158,924,810.33
  5. Step 5: Solve for x
    x = 158,924,810.33/14,122.30
  6. Step 6: Final answer
    x = 11,253.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.