Home / 12,998.12-19,472.70-6,416.60

Finding the Fourth Proportional to 12,998.12, 19,472.70 and 6,416.60

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Solution

The fourth proportional to 12,998.12, 19,472.70 and 6,416.60 is: 9,612.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.12 : 19,472.70 = 6,416.60 : x
  2. Step 2: Convert to fraction form
    12,998.12/19,472.70 = 6,416.60/x
  3. Step 3: Cross multiply
    12,998.12x = 19,472.70 × 6,416.60
  4. Step 4: Simplify right side
    12,998.12x = 124,948,526.82
  5. Step 5: Solve for x
    x = 124,948,526.82/12,998.12
  6. Step 6: Final answer
    x = 9,612.82

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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.