Home / 14,342.15-19,793.13-7,969.25

Finding the Fourth Proportional to 14,342.15, 19,793.13 and 7,969.25

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Solution

The fourth proportional to 14,342.15, 19,793.13 and 7,969.25 is: 10,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342.15 : 19,793.13 = 7,969.25 : x
  2. Step 2: Convert to fraction form
    14,342.15/19,793.13 = 7,969.25/x
  3. Step 3: Cross multiply
    14,342.15x = 19,793.13 × 7,969.25
  4. Step 4: Simplify right side
    14,342.15x = 157,736,401.25
  5. Step 5: Solve for x
    x = 157,736,401.25/14,342.15
  6. Step 6: Final answer
    x = 10,998.10

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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.